KR20220169933A - A method for providing classification and management service for unused materials - Google Patents

Abstract

Disclosed is a method for providing a service of a system which provides unused material classification and management services. The method for providing a service comprises the steps of: registering, by a terminal device of a first seller, data on at least one type of unused material with a management server; and classifying, the management server, the data on the unused material according to a type, status, and specifications of materials, and building a database for the unused material based on classified data. In addition, predefined weights are matched to categories corresponding to the status and specifications of the unused material. The step of building a database may include the steps of: obtaining a grade of the unused material based on values representing the status and specifications of the unused material and a calculated value of the predefined weights; and building a database based on the grade of the obtained unused material. Accordingly, the unused material can be efficiently classified and managed.

Description

A method for providing classification and management service for unused materials}

The present disclosure relates to a system that provides a service for automatically sorting, tracking, and managing obsolete materials.

It is a common management strategy for many companies to purchase raw materials in bulk to lower the unit cost of purchase and to mass-produce equipment for plant construction to lower the unit cost of production. On the other hand, when obsolete inventory occurs due to mass purchase and production of equipment and materials, many companies try to minimize losses by selling the obsolete inventory to other companies.

However, the reality is that unused inventory is not smoothly traded on the existing limited offline trading network. As a result, many sellers are not improving their performance even with competitive manufacturing technology.

In addition, many sellers have a lot of difficulty in managing the unused inventory they want to sell. In general, a lot of manpower is put into managing the type, quantity and quality of each stock. That is, when the amount of unused inventory to be sold is large, the input manpower and the resulting costs inevitably increase exponentially.

In addition, in the past, buyers who wish to purchase materials for plant construction have limitations in that they cannot efficiently collect information on materials that meet the required specifications and more efficiently plan material purchases based on the collected information.

The present disclosure has been made to solve the above problems, and an object of the present disclosure is to provide a system and method for providing a service capable of efficiently classifying and managing unused materials.

In the method of providing a service of a system providing a classification and management service for disused materials according to an embodiment of the present disclosure, a terminal device of a first seller registers data on at least one type of disused material in a management server. Step, the management server classifying the data on the disused material according to the type, state, and specification of the material, and constructing a database of the disused material based on the classified data, A predefined weight is matched to a category corresponding to the state and specification of, and the step of constructing the database is based on a value obtained by calculating a numerical value representing the state and specification of the disused material and the predefined weight. obtaining a grade of obsolete material; and constructing the database based on the obtained grade of the disused material.

In addition, the state of the material includes at least one of a scratch degree, a rust degree, a dent degree, and a country of origin of the material, and the specifications of the material include welding, welding type At least one of welding type, schedule number, end form, forged, casting, anti-corrosion treatment, material grade, pressure rating, and size may contain one.

In addition, the management server transmits the management code assigned to the first material to the terminal device of the first seller, and the terminal device of the first seller transmits the management code assigned to the first material to the terminal device. Acquiring transaction information including the inspection result of the first material by inputting it into a search UI provided by the server, and the management code assigned to the first material is given to a label attached to the first material There may be.

And, the terminal device of the first seller may include information related to the first material including at least one of the climate of the storage place of the first material, year of production, material, storage period by location or owner, and whether or not genuine product has been certified. It may include the step of registering in the management server in association with the unique code of the first material.

In addition, the management server is a material management block based on a block containing information related to the first material linked to the unique code of the registered first material and a block containing changes in information related to the first material. You can build a chain.

The terminal device of the inspector inspecting the first material may include at least one of a terminal device of the first purchaser, a terminal device of a person in charge of managing the management server, and a terminal device of a company inspecting unused materials. there is.

In addition, the management server, identifying a material whose similarity to the numerical value mapped to the state and specification of the first material is less than a threshold value, wherein the management server extracts an average transaction value within a preset period of the identified material and automatically setting the extracted average transaction value as the selling price of the first material, and the management server may transmit the set selling price of the first material to the terminal device of the first seller.

And, the management server, based on the data input from the terminal device of at least one seller, using an artificial intelligence model learned to extract the average value of the disused material to obtain the selling price of the first material includes can do.

In addition, the management server receives image information of the first material from the terminal device of the first seller, and the management server inspects the first material by using the image information of the first material. It can be transmitted to the terminal device of the inspector.

In addition, the management server may perform at least one step of receiving a message requesting automatic carrier matching from the first seller, based on the destination information input by the first buyer and the location information where the first material is located. Calculating at least one of cost and time required for transportation of the first material among carriers of the step, identifying an optimal carrier among the at least one carrier using at least one of the calculated cost and time and providing a quotation including the transportation cost and transportation time of the identified transportation company to the terminal device of the first purchaser.

According to various embodiments of the present disclosure, a system and method for providing a service capable of efficiently classifying and managing unused materials may be provided.

Effects of the present disclosure are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a diagram for explaining an environment to which a system providing a service for classifying and managing disused materials according to an embodiment of the present disclosure is applied;
2 is a flowchart for explaining a method for classifying unused materials and providing management services according to an embodiment of the present disclosure;
3 is a sequence diagram for explaining a process of providing an unused material classification and management service according to an embodiment of the present disclosure;
4 is a flowchart for explaining a method of registering and managing a unique code assigned to a material according to an embodiment of the present disclosure;
5 is a diagram for explaining a process in which a management server builds a database according to an embodiment of the present disclosure;
6 is a diagram for explaining a process in which a management server provides a quotation to a buyer according to an embodiment of the present disclosure;
7 is a diagram for explaining a process in which a management server learns an artificial intelligence model according to an embodiment of the present disclosure; and
8 is a block diagram for explaining the configuration of a server according to an embodiment of the present disclosure.

Since the present disclosure may have various changes and various embodiments, specific embodiments are illustrated in the drawings, and will be described in detail through detailed description. However, this is not intended to limit the present disclosure to specific embodiments, and it should be understood that the present invention includes all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present disclosure, detailed descriptions of related known technologies will be omitted if it is determined that the subject matter of the present invention may be unnecessarily obscured. In addition, numbers (eg, first, second, etc.) used in the description process of this specification are only identifiers for distinguishing one component from another component.

In addition, when one component in this specification is referred to as "connected" or "connected" to another component, the one component may be directly connected or directly connected to the other component, but in particular the opposite It should be understood that, as long as no description exists, it may be connected or connected via another component in the middle.

In addition, in the present specification, components expressed as '~ unit (unit)', 'module', etc. are two or more components combined into one component, or one component is divided into two or more components for each more subdivided function. may be differentiated into In addition, each of the components to be described below may additionally perform some or all of the functions of other components in addition to its own main function, and some of the main functions of each component may be different from other components. Of course, it may be performed exclusively by a component.

Hereinafter, the present disclosure will be described in detail with reference to the drawings.

1 is a diagram for explaining an environment to which a server 100 providing a material search and transaction service according to an embodiment of the present disclosure is applied.

As shown in FIG. 1, a system 1000 for providing material search and transaction services according to an embodiment of the present disclosure includes a seller group 10, a buyer group 20, and a material search and transaction service providing A management server 100 may be included. Here, the network may include a wired network and a wireless network. For example, the network may include various networks such as a local area network (LAN), a metropolitan area network (MAN), and a wide area network (WAN).

Also, the network may include the well-known World Wide Web (WWW). However, the network according to an embodiment of the present disclosure is not limited to the networks listed above, and may include at least a part of a known wireless data network, a known telephone network, and a known wired/wireless television network.

In describing the present disclosure, the seller group 10 may mean a plurality of sellers who want to sell unused materials or a terminal used by a plurality of sellers. And, the buyer group 20 may mean a plurality of buyers who want to purchase materials or a terminal used by a plurality of buyers.

Meanwhile, FIG. 1 illustrates a case where a terminal used by each of a plurality of sellers and buyers is a smart phone, but is not limited thereto. As another example, the terminals used by each of the plurality of sellers and buyers may be implemented as all devices (eg, desktop PCs, tablet PCs, laptops, wearable devices, etc.) capable of exchanging various data with the management server.

The management server 100 may classify data on disused materials input from the seller group 10 through the network based on the type, state, and specification of the material. Also, when a purchase request is received from the buyer group 20 through the network, the management server 100 may transmit information for guiding the inspection of the first material to the buyer group 20 . Also, the management server 100 may receive a management code linked with a unique code of the material, seller information of the material, buyer information of the material, and a material inspection result from the terminal device that has inspected the material. Embodiments related to this will be described in detail with reference to FIGS. 2 to 7 .

2 is a flowchart illustrating a method of classifying and managing unused materials and providing management services according to an embodiment of the present disclosure.

The terminal device of the first seller may register data on at least one type of disused material in the management server (S210). According to an embodiment of the present disclosure, the management server may provide a terminal device of a first seller with a template UI through which data on obsolete materials to be sold may be input. The terminal device of the first seller may input the type, state, specification, and quantity of the material the seller wants to sell on the template UI.

The condition of the material may include, for example, at least one of a scratch level, a rust level, a dent level, and a country of manufacture (or storage) of the material. And, the specification of the material, for example, welding, welding type, schedule number, end form, forged, casting, anti-corrosion treatment method, material grade , a pressure rating, a size, and the like.

In another embodiment of the present disclosure, the terminal device of the first seller sends a file (eg, an Excel file, etc.) including a list, quantity, status, and specifications of materials to be sold to a UI provided by the management server. By entering, it is possible to register obsolete materials for sale. The management server may detect a keyword representing at least one of the material type, specification, quantity, and state on the input file. The management server may identify information about a material that the terminal device of the seller intends to sell based on the detected keyword.

The management server may classify the inputted data on the obsolete material according to the type, state, and specification of the material, and may assign a unique code to the classified obsolete material (S220).

For example, the management server may detect a keyword in a file containing a list, quantity, condition, and specification of materials to be sold, and classify each material by type, condition, and specification based on the detected keyword. there is. As another example, the management server may classify materials by type, condition, and specification based on information input on the template UI.

The management server can build a database for disused materials based on the classified data. That is, the management server can build a database in which information on materials that a plurality of sellers want to sell is collected. Data on materials classified by various criteria such as seller, material type, specification and condition may be included in the database.

As an embodiment, the management server may obtain a grade of the inputted unused material by calculating a numerical value representing the state and specification of the unused material input from the terminal device of at least one seller and a predefined weight. Predefined weights may be matched to a plurality of categories corresponding to each state and specification of the material. For example, a predefined weight is matched to the state of the material including at least one of the degree of scratch, the degree of rust, the degree of damage, and the manufacturing (or storage) country of origin of the material. There may be. As another example, welding, welding type, schedule number, end form, forged, casting, anti-corrosion treatment, material grade, pressure A predefined weight may be mapped to a specification of a material including at least one of rating and size.

In addition, the management server may acquire the grade of the inputted unused material by calculating a numerical value representing the state and specification of the unused material input from the terminal device of at least one seller and a predefined weight. A criterion for grading the disused material may be preset according to the specification of the disused material and a calculated value between a numerical value representing the specification and a predefined weight.

The management server may build a database based on the obtained grade of each of the disused materials. That is, the grades of materials registered on the database may be automatically matched according to the above-described method. Accordingly, buyers can identify the grade of the material they want to purchase.

Meanwhile, the management server may assign a unique code (eg, a unique number, etc.) for each type of classified disused material. The unique number can be used by the seller to check or correct information related to the material.

For example, the terminal device of the first seller may store the first material (eg, first type material) among all materials registered in the management server according to climate, year of production, material, storage period by location or owner. And information related to the first material, including at least one of activation or not, may be registered in the management server in conjunction with the unique code of the first material. Thereafter, the terminal device of the first seller may inquire/modify/delete information related to the first material by inputting the registered unique code of the first material to the management server.

The management server may receive a purchase request for the first material among the classified disused materials from the terminal device of the first purchaser (S230). Specifically, the terminal device of the first purchaser may transmit a purchase request message including information on a material (eg, first material) to be purchased to the management server.

For example, the terminal device of the first purchaser may input at least one of the type, state, quality, and grade of the material to be purchased on a purchasing UI provided by the management server. As another example, the terminal device of the first purchaser may transmit a file including information on a material to be purchased to the management server.

When a purchase request for the first material is received from the terminal device of the first purchaser, the management server may transmit guide information for inspecting the first material to the terminal device of the first purchaser (S240).

Specifically, the inspection of the first material may be performed by at least one of a first purchaser with a purchase intention, a manager in charge of a management server, and a person in charge of a company providing a service for inspecting unused materials. The management server may transmit guide information including a subject to perform inspection of the first material, a method of inspection, or a location of the first material for due diligence to the terminal device of the first seller.

Meanwhile, the inspection of the first material may be conducted remotely. As an embodiment, the management server may receive image information (or real-time image information) of the first material captured from the terminal device of the first seller. In addition, the management server may transmit the received image information of the first material to the terminal device of the inspector inspecting the first material. In addition, the inspector may transmit a message requesting a photographing angle and enlargement or reduction in real time to the first seller who photographs the first material. Accordingly, the inspector may remotely inspect the first material without directly going to the place where the first material is located.

As another embodiment, the inspection of the first material may be performed using metaverse technology. The management server may be implemented in a pre-established virtual space based on information on the first material (eg, an image of the first material, etc.) received from the terminal device of the first seller. The inspector may inspect the first material by accessing the virtual space built by the management server.

When the inspection of the first material is completed, the terminal device of the inspector inspecting the first material generates a management code linked with the unique code of the first material, the first seller information, the first buyer information, and the inspection result of the first material. It can be registered in the management server (S250). The management code assigned to the first material may be assigned to a label attached to the first material. The label may also be implemented as a seal indicating completion of inspection when inspection is complete.

The management server may transmit the management code assigned to the first material to the terminal device of the first seller. The terminal device of the first seller may obtain transaction information including the inspection result of the first material by inputting the management code assigned to the first material into the search UI provided by the management server. The transaction information may include information about the first seller and the first buyer linked to the management code, a result of inspection of the first material, and a selling price of the first material. That is, the first seller may track the transaction route and transaction information of the first material in real time based on the management code.

Meanwhile, the sales value of the first material may be extracted through a learned artificial intelligence model. Embodiments related to this will be described in the following section.

The management server may perform an operation for transferring the ownership of the first material from the first seller to the first buyer when the first material price is deposited from the first buyer (S260). The management server may transfer the ownership of the first material from the first seller to the first buyer when an amount (ie, a price for the first material) is deposited from the first buyer. Then, the management server may deposit the remaining amount of the amount deposited from the first buyer excluding the predefined fee to the first seller.

Meanwhile, the management server may receive a message requesting automatic matching with a carrier for material transportation from the first seller. When a message requesting automatic carrier matching is received, the management server takes the transport of the first material among at least one carrier based on the destination information input by the first buyer and the location information of the first material. At least one of cost and time can be calculated. The management server may identify an optimal transport company from among at least one transport company using at least one of the calculated cost and time. The management server may provide the terminal device of the first purchaser with an estimate including transportation cost and transportation time of the identified transportation company.

3 is a sequence diagram illustrating a process of providing a service for classifying and managing unused materials according to an embodiment of the present disclosure.

The terminal device A of the first seller may transmit data on at least one type of disused material to be sold to the management server 100 (S310).

The management server 100 may build a database for unused materials based on the data received from the terminal device A of the first seller (S320). Specifically, the management server 100 classifies input data on unused materials according to the type, state, and specification of the materials, and assigns a unique code to the classified unused materials to build a database for unused materials. .

The management server 100 may receive a message including a purchase request of the first material from the terminal device B of the first purchaser (S330). The management server 100 may transmit guide information for inspection of the first material to the terminal device B of the first purchaser (S340). Specifically, the management server 100 may transmit guide information including a subject to perform inspection of the first material, a method for performing the inspection, or a location of the first material for due diligence to the terminal device of the first seller.

The first purchaser may perform inspection of the first material based on the guidance information (S350). 3 shows an embodiment in which the first purchaser inspects the first material, but the inspection may be performed by a person other than the first purchaser.

The terminal device B of the first purchaser may register the management code associated with the inspection result of the first material in the management server (S360). The management code assigned to the first material may be assigned to a label attached to the first material. The label may also be implemented as a seal indicating completion of inspection when inspection is complete.

The management server 100 may transmit the management code for the first material to the terminal device A of the first seller (S370). The terminal device A of the first seller may check transaction information related to the first material by inputting the management code on the UI provided by the management server.

Thereafter, the terminal device B of the first purchaser may deposit the first material price into the management server 100 (S380). The management server may transfer the ownership of the first material from the first seller to the first buyer when the first material price is deposited (S390). Then, when the management server 100 remits the first material price to the account of the first seller, the first seller can check through the terminal device A (S395).

4 is a flowchart illustrating a method of registering and managing a unique code assigned to a material according to an embodiment of the present disclosure. The terminal device of the first seller may register information related to the first material in the management server by interlocking with the unique code of the first material (S410).

Specifically, the terminal device of the first seller may register the information related to the climate of the storage place of the first material, the year of production, the material, the storage period by place or owner, and genuine product certification by linking the unique code to the management server. .

The management server may build a material management block chain based on information linked to the unique code of the first material (S420). Specifically, the management server 100 is a material management block based on a block containing information related to the first material linked to the unique code of the registered first material and a block containing changes in information related to the first material. You can build a chain.

For example, the management server 100 may register a block including climate information of a storage location of the first material. Subsequently, when the climate of the storage place of the first material is changed, the management server 100 may build a block chain by connecting (ie, block chaining) the changed information to a previously registered block. That is, the management server can build a system based on the block chain to prevent third parties from changing information related to transaction routes or materials.

The terminal device of the first seller may track the transaction route of the first material based on the unique code (S430). The terminal device of the first seller may identify information related to the first material (eg, a transaction route of the first material) by inputting a unique code on a UI provided by the management server. As another example, the terminal device of the first seller may identify information related to the first material by accessing a block chain built using a unique code.

5 is a diagram for explaining a process of building a database by a management server according to an embodiment of the present disclosure.

The terminal devices of the plurality of sellers may transmit information on the disused materials to be sold to the server 100 . For example, the management server may display a UI element 510 through which information on obsolete materials to be sold may be input. The terminal device of the first seller may input a file (eg, an Excel file) including information on disused materials to be sold on the UI element 510 . The management server may build a database based on the input Excel file.

As another example, the management server may provide a file form for inputting information on materials to be sold to terminal devices of a plurality of sellers. The file form may be implemented as an Excel file including a sheet in which the type, condition, specification, etc. of the material can be entered. The management server may build a database based on information included in the input file form 520 .

6 is a diagram for explaining a process in which a management server provides a quote to a purchaser's terminal device according to an embodiment of the present disclosure.

As shown in FIG. 6 , when at least one material is selected by the first purchaser from among a plurality of types of materials stored in the database of the management server, the management server may generate a quote for the selected material. The quotation may include information 610 such as the type, condition, quantity, price, etc. of the material selected by the first purchaser. The price included in the quotation may be a price obtained by the management server executing an automatic selling price algorithm. The automatic sales value algorithm will be described in detail with reference to FIG. 7 .

And, the estimate may include a transportation schedule 620 of the material selected by the first purchaser. Here, the transport schedule 620 may be a transport schedule by an optimal transport company identified by the management server. Since the process of identifying the optimal carrier by the management server has been described above, duplicate descriptions will be omitted.

7 is a diagram for explaining a process in which a management server learns an artificial intelligence model according to an embodiment of the present disclosure.

When a message requesting purchase of the first material is received from the buyer's terminal device, the management server may identify a material having a similarity with a numerical value mapped to the state and specification of the first material less than a threshold value. Specifically, the management server may allocate a weight to each of the state and specification of the material. The management server may obtain a numerical value mapped to the state and specification of each material by calculating a value corresponding to the state and specification of each material and an assigned weight. For example, if the number mapped to the condition and specification of the first material and the number mapped to the condition and specification of the second material are less than a threshold value, it may mean that the first material and the second material are materials having similar properties. there is.

If a material whose similarity to the numerical value mapped to the state and specification of the first material is identified is less than the threshold value, the management server extracts the average transaction value of the identified material within a preset period, and converts the extracted average transaction value of the first material It can be automatically set to the selling price. And, the management server may transmit the set sales value of the first material to the terminal device of the first seller. The terminal device of the first seller may determine the received selling price as the official selling price of the first material.

Meanwhile, the management server may perform a process of extracting the selling price of each material through an artificial intelligence model. For example, the management server may obtain the selling price of the first material by using an artificial intelligence model learned to extract the average price of the disused material based on data input from at least one seller's terminal device.

As shown in FIG. 7 , the management server may learn an artificial intelligence model based on learning data (eg, market information, user information, transaction information, public institution information, and external media information) 710 .

For example, the management server may process learning data by applying the visualization algorithm 720 to market information, user information, transaction information, and material information. That is, the management server may acquire visual data that can be intuitively understood based on the visualization algorithm 720 .

As another example, the management server may process learning data by applying the association analysis algorithm 730 to user information, transaction information, and material information. That is, the management server may analyze a shopping cart or perform a user behavior pattern analysis operation by applying the association analysis algorithm 730 .

As another example, the management server may process the training data by applying the clustering algorithm 740 to the entire training data 710 . That is, by applying the clustering algorithm 740, the management server may perform analysis on major regional companies, performing companies by project, projects by region, projects by type of work, and demand materials by project.

The management server may predict demand for a plurality of materials (750) by applying a regression analysis algorithm to the processed learning data. And, the management server may analyze the price of a plurality of materials by applying a neural network analysis algorithm to the processed learning data (760).

8 is a block diagram illustrating a configuration of a management server according to an embodiment of the present disclosure. As shown in FIG. 8 , the management server may include a memory 110 , a communication unit 120 and a processor 130 . However, it is not limited thereto, and the management server may include software and hardware configurations within a range obvious from the point of view of those skilled in the art according to necessary operations.

The memory 110 may store data on materials provided by a plurality of seller terminal devices and a database constructed based on the data. The memory 110 may store information on purchase histories and purchase patterns of a plurality of purchaser terminal devices. In addition, the memory 110 may store a database built on the basis of a unique code and management code for each material.

The communication unit 120 may transmit/receive data and messages through a network with terminal devices of a seller-seller terminal device, a buyer terminal device, and a company providing a service of inspecting materials.

The processor 130 may be electrically connected to the memory 110 to control overall operations and functions of the server 100 . Overall operations and functions of the management server described with reference to FIGS. 1 to 7 may be implemented by the processor 130 .

Meanwhile, the above-described embodiments of the present invention can be written as a program that can be executed on a computer, and the written program can be stored in a medium.

The medium may continuously store programs executable by a computer or temporarily store them for execution or download. In addition, the medium may be various recording means or storage means in the form of a single or combined hardware, but is not limited to a medium directly connected to a certain computer system, and may be distributed on a network.

Examples of the medium include magnetic media such as hard disks, floppy disks and magnetic tapes, optical recording media such as CD-ROM and DVD, magneto-optical media such as floptical disks, and ROM, RAM, flash memory, etc. configured to store program instructions. In addition, examples of other media include recording media or storage media managed by an app store that distributes applications, a site that supplies or distributes various other software, and a server.

Above, the embodiments described in the present disclosure and the accompanying drawings merely illustrate some of the technical ideas included in the present disclosure by way of example. Therefore, since the embodiments disclosed in this specification are intended to explain rather than limit the technical spirit of the present disclosure, it is obvious that the scope of the technical spirit of the present invention is not limited by these embodiments.

All modifications and specific examples that can be easily inferred by those skilled in the art within the scope of the technical idea included in the specification and drawings of the present disclosure should be construed as being included in the scope of the present disclosure.

Claims (10)

In the service providing method of the system providing the disused material classification and management service,
Registering, by the terminal device of the first seller, data on at least one type of disused material in the management server;
The management server classifies the data on the disused material according to the type, state, and specification of the material, and builds a database for the disused material based on the classified data; Includes,
A predefined weight is matched to a category corresponding to the condition and specification of the disused material,
Building the database is
obtaining a grade of the disused material based on a value obtained by calculating a numerical value indicating a state and specification of the disused material and a value obtained by calculating the predefined weight; and
Containing, the service providing method comprising: constructing the database based on the obtained grade of the disused material. According to claim 1,
assigning a unique code to the classified disused materials;
The management server transmits guide information for inspection of the first material to the first purchaser to the terminal device of the first purchaser when a request for purchase of the first material among the classified disused materials is received from the first purchaser. doing;
When the inspection of the first material is completed, the terminal device of the inspector inspecting the first material, the unique code of the first material, the information of the first seller, the information of the first buyer, and the information of the first material registering the management code linked with the inspection result to the management server; and
The management server, when the price for the first material is deposited from the first buyer, performing an operation for transferring ownership of the first material from the first seller to the first buyer, How We Provide Our Services. According to claim 1,
The state of the material is
Including at least one of scratch degree, rust degree, dent degree and country of origin of the material,
The specifications of the material are:
Weld status, welding type, schedule number, end form, forged, casting, corrosion protection, material grade, pressure rating and size Characterized in that it includes at least one of (size), service providing method. According to claim 2,
transmitting, by the management server, a management code assigned to the first material to a terminal device of the first seller; and
In the terminal device of the first seller, obtaining transaction information including an inspection result of the first material by inputting a management code assigned to the first material into a search UI provided by the management server,
Characterized in that the management code assigned to the first material is assigned to a label attached to the first material, service providing method. According to claim 2,
The terminal device of the first seller transmits information related to the first material including at least one of the climate of the storage place of the first material, the year of production, the material, the storage period by location or owner, and whether or not the product has been certified, Comprising the step of registering in the management server in conjunction with the unique code of the first material, service providing method. According to claim 5,
The management server creates a material management block chain based on a block containing information related to the first material linked to the registered unique code of the first material and a block containing changes in information related to the first material. How to build and provide services. According to claim 2,
Characterized in that the terminal device of the inspector inspecting the first material includes at least one of a terminal device of the first purchaser, a terminal device of a person in charge of managing the management server, and a terminal device of a company inspecting unused materials. , how to provide the service. According to claim 2,
identifying, by the management server, a material having a degree of similarity with a numerical value mapped to the state and characteristic of the first material less than a threshold value;
The management server extracting an average transaction value of the identified material within a predetermined period, and automatically setting the extracted average transaction value as a sales value of the first material; and
and transmitting, by the management server, the set sales value of the first material to a terminal device of the first seller. According to claim 8,
The management server obtains the sales value of the first material by using an artificial intelligence model learned to extract the average value of the disused material based on data input from a terminal device of at least one seller, How We Provide Our Services. According to claim 1,
receiving, by the management server, a message requesting automatic carrier matching from the first seller;
Calculating at least one of cost and time required for transportation of the first material among at least one carrier based on destination information input by the first purchaser and location information of the first material;
identifying an optimal transport company from among the at least one transport company using at least one of the calculated cost and time; and
and providing a quotation including the transportation cost and transportation time of the identified transportation company to the terminal device of the first purchaser.

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