KR20010098001A - The Opend Electronic Competition Bidding Method For Electronic Communication Lines - Google Patents

Abstract

In the present invention, in a BToB electronic commerce, an open electronic competition in which a plurality of bidders are online online at a given bid date and simultaneously bidding open competitive bids, and also receiving an online qualification screening using an electronic communication network. It relates to a bidding method.

Such an open electronic competitive bidding method includes an open electronic competitive bidding server, a registration authentication server, a communication means of at least one bidder, and an open electronic competitive bidding system including an electronic communication network. A first step of registering an open electronic competitive bidding event including a bidding method, a bidding date, a bidding time, and bidding object information; A second step of the at least one bidder connecting to the open electronic competitive bidding server through the communication unit and applying to participate in the open electronic competitive bidding; A third step in which the at least one bidder accesses the open electronic competitive bidding server and participates in a bid at the bidding time; And a fourth step of, when the bidding time ends, determining, by the open electronic competitive bidding server, a bidder who inputs the lowest bidder among bidders eligible for successful bidding as the final successful bidder.

Description

The Opend Electronic Competition Bidding Method For Electronic Communication Lines}

The present invention relates to an open electronic competition bidding method using an electronic communication network. More specifically, the present invention relates to online bidding on a bidding date in which a plurality of bidders are determined for a single product in an inter-business (BTOB) e-commerce. At the same time, the present invention relates to a public electronic bidding method for bidding an open competitive bidding and receiving an online qualification screening using an electronic communication network.

In general, national public institutions use auction method to select annual unit price contractor. In addition, the auction method is also used in most inter-contractor selection. In this case, in order for a company to participate in an auction bidding, unfair acts such as various lobbying or collusion acts to persuade the person who announced the bidding. Therefore, the successful bidding is established according to the unfair behavior rather than the actual ability of the company, and other bidders suffer disadvantages such as leaking personnel, excessive labor, and excessive consumption of time by submitting unnecessary documents. In addition, this causes each bidding company to generate unnecessary costs, resulting in a lot of side effects, such as a rise in the price of the goods or construction orders.

As such, the general auction bidding method is a cause of loss of competitiveness of the country and the company by the fact that the person in charge of the auction is multiplied from the buyer's point of view and consequently purchases or orders at an unreasonable or expensive price. Excessive lobbying costs and excessive operating costs have resulted in substantial gains.

In addition, private companies that wish to bid on auctions held by public institutions must go through screening. The reason for this qualification test is to verify whether the selected company supports the delivery capability and technology. That is, to avoid the enormous loss that can occur when using poor quality products due to dumping delivery of the company. Therefore, even if the auction company is selected as a successful bidder, if he fails to obtain a certain level of score in the screening screen, he will lose his qualification.

Eligibility screening, which is necessary to be selected as a company that supplies goods to public institutions, was conventionally performed by hand. This wastes enormous manpower and resources, and can lead to miscalculations due to time loss and manual mistakes. In addition, various screenings may occur due to manual screening by humans, and the results of screening are not transparently disclosed. Occasional cases often occurred.

Therefore, the present invention has been made in order to solve the problems of the conventional bidding method as described above, by using a variety of communication networks to announce bidding for goods, services, construction, a plurality of bidders to the network at the same time Through open access and competition according to a set rule, and the results are disclosed, it reduces unreasonable costs and minimizes the side effects that occur after a successful bid, providing an open electronic competitive bidding method using an electronic communication network that is advantageous to both the buyer and the seller. It is to.

In addition, the present invention is to provide an electronic qualification screening method using an electronic communication network to perform the qualification screening, which is an essential element in the open electronic competitive bidding process online.

1 is a block diagram showing a system for implementing a method of open electronic competitive bidding according to an embodiment of the present invention,

2 is a view showing an example of a member information registration screen of the public electronic bidding participating companies public institutions,

3 is a diagram illustrating an example of a database structure of a public institution bidding exhibitor in public institutions;

4 is a view illustrating an example of a member information registration screen of a general company open electronic competitive bidding exhibitor,

5 is a diagram illustrating an example of a database of a general company open electronic competitive bidding exhibitor,

6 is a view showing an example of an electronic qualification screening company registration screen,

7 is a diagram illustrating an example of an electronic qualification screening company information database;

8 is a flowchart illustrating a public institution open electronic competitive bidding method employing an electronic screening method after bidding,

9 is a flow chart showing a public institution open electronic competitive bidding method that adopts the bidding method after the electronic qualification screening;

10 is a flow chart showing a public company open electronic competitive bidding method that adopts an electronic screening method after bidding,

11 is a flow chart showing a public company public electronic bidding method that adopts the bidding method after the electronic qualification screening,

12 is a flowchart illustrating an electronic qualification screening method.

Open electronic competitive bidding method using an electronic communication network according to the present invention for achieving the above object, the open electronic competitive bidding server, the registration authentication server, at least one bidder registration authentication with the open electronic competitive bidding server An open electronic competitive bidding method in an open electronic competitive bidding system including a communication means for accessing a server, and an electronic communication network connecting the open electronic competitive bidding server and a registration authentication server with the communication means, wherein the open electronic competition A first step of registering an open electronic competitive bidding event including a bidding method, a bidding date, a bidding time, and bidding object information in a bidding server; A second step of the at least one bidder connecting to the open electronic competitive bidding server through the communication unit and applying to participate in the open electronic competitive bidding; A third step in which the at least one bidder accesses the open electronic competitive bidding server and participates in a bid at the bidding time; And a fourth step of, when the bidding time ends, determining the bidder who inputs the lowest bidder among bidders eligible for successful bidding as the final successful bidder.

Preferably, the bidder is applied to participate in the public electronic bidding bidding access to the registration authentication server to receive an electronic qualification screening, only the bidder who passed the electronic qualification screening bidding authority is granted, the fourth The step is characterized in that the bidder who entered the lowest bidder is confirmed as the final successful bidder.

Preferably, in the fourth step, the successful bidders who have entered the low bidder are connected to the registration authentication server to receive an electronic qualification, and the bidder who passed the electronic qualification examination while entering the lower bidder is the final successful bidder. It is characterized by determining as.

More preferably, the electronic screening process includes: a first sub-step of the electronic screening target connecting to the registration authentication server using the communication means; A second sub-step of the electronic screening subject to prepare a screening self-assessment table for successful bid qualification evaluation; A third sub-step of the registration authentication server calculating a score using the result of preparing the qualification screening self-assessment table; A fourth sub-step of the electronic screening subject to submit documents for verifying a result of the preparation of the screening self-assessment table; And a fifth sub-step in which the registration authentication server examines whether the submitted documents are appropriate and determines whether the screening pass is passed / dropped based on the calculated score.

Preferably, the third bidding method uses a real-time lowest price reverse auction method or a multi-order round reverse auction method.

Here, in the multi-round round auction method, given bidding time is given every round, bidders entered by bidders are disclosed when bidding time of each round ends, and a bidder is selected based on the bidders entered in the final round. It is characterized by that.

In the open electronic competitive bidding method according to the present invention, a product buyer announces information for purchasing a product on the Internet, or displays a product's requirements, product specification, quantity, bid time, etc. by using an internal computer network CUG network. Provide the seller (service, construction) with relevant information about the goods purchased. Sellers (services, construction) submit a bid application to a notice that they want to bid by accessing an internet shopping mall using a personal computer or other information and communication device (cellular phone, PCS phone, pager, PDA) with internet access. Or, submit a bid application to the relevant bid notice by using the communication method required by the company's internal computer network. When the bid application for the relevant tender notice is completed or when the bidding date is announced, the seller (service, construction) participates in the bid and the successful bidder is given the right to supply the product (service, construction). If the bidding date for each product is disclosed and the application for bidding notification is not accepted by the bidding date, the bidder for the bidding must be determined by the re-bidding announcement by the bidding notification change application of the bidding party. After the bid is completed, the final winning bidder is authorized to supply the product (service, construction).

This open electronic competitive bidding method can minimize the distribution margin, so that the desired product (service, construction) can be purchased at a low cost, so that the buyer and supplier can make a proper profit.

Hereinafter, the public electronic bidding method using the electronic communication network according to an embodiment of the present invention with reference to the accompanying drawings in detail as follows.

1 is a block diagram of a system for implementing an open electronic competitive bidding method.

Referring to FIG. 1, this is a web server 101, a database (hereinafter referred to as a DB) server 102, a registration authentication server 103, a public institution open electronic competitive bidding server 104, a public company public electronic A competitive bidding server 105. The web server 101 performs a function as a main server. The member DB 106, the product DB 107, and the sales DB 108 are connected to and managed by the DB server 102. The registration authentication server 103 is connected to the qualification screening DB 109 and the public electronic competitive bidding DB 109, and manages the electronic screening operation. The public institution open electronic competitive bidding server 104 is responsible for the operation when a public agency of a country selects a company by the public electronic competitive bidding method, and the public enterprise open electronic competitive bidding server 105 is a public company open electronic competitive bidding. To control the behavior of selecting subcontractors. By separating the web server 101 and the two open electronic competitive bidding server (104, 105) in this way, speed resistance and overload is prevented. In addition, by operating a separate open electronic competitive bidding DB (110), it is possible to facilitate backup and management.

The five servers are connected to a plurality of client systems 111 through an in-house communication network, through which administrators manage the servers. The servers are connected to the external Internet network 130 through the communication device 120, a plurality of users (141, 142) through the Internet network 130, the web server 101 and two public electronics The competitive bidding servers 104 and 105 are connected. Users can use various communication devices, and can use computers and wireless communication devices that can be connected to the Internet.

The public electronic competitive bidding method according to the present invention is classified into a public institution public electronic competitive bidding method and a general company public electronic competitive bidding method according to the host institution. First, the public electronic public bidding method will be described with reference to the drawings. do. The public electronic bidding method for public institutions may include the Korea National Electric Power Corporation (KEPCO), the telecommunications company (KEPCO), and the Public Procurement Service. The public electronic bidding method for public institutions is a program for selecting the lowest bidder in real time. The method, task and process of electronic bidding were developed based on the Korean Government Accounting Law.

The public electronic bidding method for public institutions includes the public electronic bidding method of the electronic screening method after bidding according to the electronic screening period (see FIG. 8) and the public electronic bidding method of the bidding method after the electronic screening method (see FIG. 9). Separated by.

Buyers who wish to receive goods (services, construction) through auctions can apply for bidding announcements.If the manager examines the bidding announcement and acknowledges the authenticity and suitability, the bidding announcement is authorized and the goods (services, We can accept bid application from construction).

Referring to FIG. 8, the users access the web server of the public institution that manages the open electronic competitive bidding (S801) and check whether the user is a member (S802). At this time, if the member can query the bid announcement (S804), if not a member to perform the member registration procedure to join as a member (S803). When the member checks the notice number to answer the bid while inquiring the bid notice (S805), the bid request for participation is requested (S806).

When a member requests a bid participation application, a public institution open electronic competitive bidding participation application form as shown in FIG. 2 is displayed on the member's screen. This screen allows you to enter the exhibitor's information such as membership number (ID), password, business registration number, trade name, e-mail address, telephone number, fax number, head office address, and business address. In this case, the above nine exhibitor information is entered, but only some of the above contents can be entered, and other information can be entered. In addition, other information may use the member information entered at the time of membership registration.

The member enters all the exhibitor information presented on the screen and approves the bidding application by completing the approval (S806), and an authentication key is given to the corresponding exhibitor (S807). Here, the authentication key uses a randomly selected encrypted string. This authentication key is a matter to be input together with an identification number and a password in a bidding process to be described later. If the connection fails for a predetermined number of times, the authorization key is deprived. In addition, when a company reissues a request, the company reissues after going through the verification process. Since this authentication key is encrypted and stored, the administrator cannot change it. Only when it is unavoidable, the existing authentication key is invalidated and a new authentication key is given.

Exhibitor information created by the member, and the authentication key given to the exhibitor is stored in the public institution open electronic competition bidding exhibitor DB in a structure as shown in FIG. That is, the exhibitor DB includes a member number (ID) 300, a password 301, an authentication key 302, a company name 303, a business number 304, an address 305, a phone number 306, an electronic Information such as postal address 307, bid notice number 308, management number 309, bidding target product name 310, material identification number 311, representative name 312 is stored, but is not limited thereto. Do not. That is, other information may be further included, some information may not be included, and the stored arrangement order may be changed.

When the bidding date, the bidding companies are connected to the web server to check the membership and access the public institution open electronic competitive bidding server to participate in the bid (S808). That is, the bidder enters the bidding system of the public electronic bidding server of the public institution by inputting a member number (ID), a password, and an authentication key, and inputs a bidder within a given time. After a given time passes, the bidding system of the public electronic bidding server for public institutions is automatically terminated.

At the same time, the public institution open electronic competitive bidding server examines the bidder (S809), and determines the ranking according to the price (S810). In addition, all proposed bidders are saved for future reference. The company that entered the lowest bidder becomes the winning bidder, and the screen displays information about the companies with the winning bidder. Among them, the first-ranked company receives a self-assessment score from the electronic qualification screening (S811), and when the reference score (75 points) or more is passed, it is selected as the final winner. The successful bidder is sent to the final successful bidder (S812).

However, if the self-assessment score of the winning bidder is less than the reference score, the company with the lowest bid is selected next. If the company receives more than the reference score on the electronic screening test, it becomes the final winning bidder. Here, the detailed process of the electronic qualification screening will be described later.

Companies selected as final winners must submit the necessary documents, which are stored in two databases. Documents are stored in one database, and actual documents are stored in another database. When submitting documents online, an EDI (Electronic Data Interchange) system using XML (eXtensible Makeup Language) is used.

FIG. 9 is a flowchart illustrating a public institution open electronic competitive bidding method using a bidding method after a screening test.

Steps S901 to S906 of FIG. 9 are processes in which users access a web server of a public institution that manages open electronic competitive bidding, register or log in as a member, and request bid participation after viewing a bid notice. It is the same as step S801 thru | or step S806.

When the member applies for bidding participation (S906), the exhibitor is subjected to electronic screening (S907). As a result of the electronic screening, the exhibitor who obtained the reference score or more is given an authentication key necessary for bidding (S908), and is recorded in the exhibitor DB. However, as a result of the electronic screening test, exhibitors who score below the standard score cannot enter the bidding. The parts related to the authentication key are the same as the parts related to the authentication key of the screening method after the bidding.

When the bidding date, the bidding companies are connected to the web server to check the membership and access the public institution open electronic competitive bidding server to participate in the bid (S909). That is, the bidder enters the bidding system of the public electronic bidding server of the public institution by inputting a member number (ID), a password, and an authentication key, and inputs a bidder within a given time. After a given time passes, the bidding system of the public electronic bidding server for public institutions is automatically terminated.

At the same time, the public institution open electronic competitive bidding server examines the bidder (S910), and determines the ranking according to the price (S911). The company that inputs the lowest bidder becomes the final successful bidder, the final successful bidder and information on the screen are displayed together, and the final successful bidder is sent a successful bid confirmation (S912).

Companies selected as final winners must submit the necessary documents, which are stored in two databases. Documents are stored in one database, and actual documents are stored in another database. When submitting documents online, an EDI (Electronic Data Interchange) system using XML (eXtensible Makeup Language) is used.

The electronic qualification screening method after the bidding of FIG. 8 has an advantage of reducing the cost, manpower, and time since only the successful bidding company performs the qualified screening after the successful bidding is determined, but the successful bidding company must pass the screening again. Because of this, there is a disadvantage that you cannot proceed with the purchase and transaction immediately after a successful bid. 9, the bidding method after the electronic screening can be quickly purchased and traded because the supplier is confirmed at the same time as the successful bidding, but all bidders who are not successful bids have to go through the screening, which is cumbersome, expense, personnel, There is a disadvantage that wastes time.

Now, let's take a look at the general public open competitive bidding method. This general corporate open electronic bidding method is an Opened Electronic Competition Bidding (OECB) method that operates in an enterprise-to-business electronic commerce (BTB). The general public open competitive bidding method of a company is a bidding method in real-time 3 rounds.

According to the public electronic bidding method of the general enterprise, the public electronic bidding method of the electronic qualification screening method after the bidding according to the electronic qualification screening method (see FIG. 10) and the public electronic bidding method of the bidding method after the electronic qualification screening method (see FIG. 11) ).

A company wishing to obtain an auction supply of goods (services, construction, etc.) should apply for a tender notice, demonstrating its necessity. The purchaser shall apply for a tender notice by filling out an open electronic competitive bidding application, including a detailed description of the object (commodity, service, construction) to be supplied, including information on desired price, expected delivery date and payment terms.

Referring to FIG. 10, a user who wants to participate in a general company open electronic competitive bidding accesses a web server (S1001) and checks whether a user is a member (S1002). If not a member to register as a member through the member registration process (S1003). In the case of the member, the authority to search the bid notice is granted (S1004). Inquiry of the bid announcements to confirm the notification number to respond to the bid (S1005), and bidding application for the corresponding bid notice number (S1006).

When a member requests a bid application for a bid notice number, a registration application screen as shown in FIG. 4 is transmitted from a general company open electronic competitive bidding server and displayed on the member's screen. The registration application screen records the identification number of the exhibitor (ID), the password, the business registration number, the representative, the address, the bidding participation announcement number, whether to confirm the bidding announcement contents, and the confirmation of the disclosure of the business information. After the member enters the relevant information and clicks the register button, the bid application is completed.

At this time, the general company open electronic competitive bidding server grants the authentication key to the bidding participating companies (S1007). In addition, the exhibitor information created by the member, and the authentication key given to the exhibitor is stored in the general company open electronic competition bidding exhibitor DB in a structure as shown in FIG. That is, the exhibitor DB has a member number (ID) 500, a password 501, an authentication key 502, a business registration number 503, a representative 504, a representative resident number 505, a bid notice number ( 506), whether or not to confirm the bid announcement (507), the company information disclosure commitment (508), etc. are stored, but is not limited thereto. That is, other information may be further included, some information may not be included, and the stored arrangement order may be changed.

When the bidding date, the bidding exhibitor accesses the web server and checks the membership, and accesses the general company open electronic competitive bidding server and participates in the bidding (S1008). That is, the bidder enters the bidding system of the general public electronic bidding server by entering an identification number, a password, and an authentication key, and participates in the third round bidding.

That is, the bidders participate in the bidding time at the same time to enter the desired bid. The bidder can be entered once per round, and the bidder can be modified in the first and second rounds, but not in the third round. Each round is given a certain amount of time, and for each round, bids entered by each bidder are provided to all bidders.

In more detail, in the first round, bids are entered within a given time (for example, 5 minutes), and when the time expires, the bid results entered by each exhibitor are displayed on the screen of each exhibitor. Proceed. In the second round, enter the bid price within a given time (eg 5 minutes). When the second round ends, the results of the second round will be displayed on the screens of each exhibitor, and then suspended for a certain period of time for strategic operations. During the third round each competitor enters a bid price. When the third round ends, the bidding system ends automatically. In the third round, the price presented by each exhibitor is examined (S1009), and the company that inputs the lowest price is determined as the successful bidder first (S1010). The first successful bidder is subjected to an electronic screening test (S1011). If the evaluation result is equal to or higher than the reference score, it is determined as the final successful bidder, and the final successful bidder is sent a successful confirmation certificate (S1012).

However, if the winning bidder first place company receives less than the reference score in the electronic screening test, the bidder is eliminated, and the process proceeds to step S1009 to review the price again. In the price review, the next lowest priced company receives an electronic qualification. That is, a company that enters a low price and passes the electronic qualification screening is selected as the final successful bidder, and a successful bid confirmation letter is sent to the final successful bidder.

Companies selected as final winners must submit the necessary documents, which are stored in two databases. Documents are stored in one database, and actual documents are stored in another database. When submitting documents online, an EDI (Electronic Data Interchange) system using XML (eXtensible Makeup Language) is used.

11 is a flowchart of a general company open electronic competitive bidding method of the electronic screening bidding method.

Steps S1101 to S1106 of FIG. 11 are processes in which users access a web server of a general company that manages open electronic competitive bidding, register or log in as a member, and request bid participation after viewing a bid notice. Same as step S1001 to step S1006.

When a member applies for bidding, he or she must receive an electronic qualification (S1107), but if the company receives a score higher than the electronic qualification result of the company, an authentication key is granted (S1108). The bidding process then ends.

At the designated time of the bidding date, the exhibitor enters the relevant web server and logs in to the member, and enters the general public open bidding server by entering an identification number, a password, and an authentication key to participate in the bidding. This bidding is made in a three round manner as in FIG. 10, which will be replaced by the description of FIG. 10.

In the three-round bidding method, the participating companies examine the bidders entered in the third round (S1110) and select a company that has entered the lowest bidder as the first successful bidder (S1111). In this case, since all exhibitors who have participated in the bid have already passed the electronic qualification screening, the first successful bidder is selected as the final successful bidder and the successful bidder is sent to the final successful bidder (S1112).

Companies selected as final winners must submit the necessary documents, which are stored in two databases. Documents are stored in one database, and actual documents are stored in another database. When submitting documents online, an EDI (Electronic Data Interchange) system using XML (eXtensible Makeup Language) is used.

12 is an operation flowchart illustrating an electronic qualification screening method. Electronic screening must be passed before bidding in the public electronic bidding, before or after bidding. Even the No. 1 winning bidder must pass this electronic screening to be selected as the final winning bidder. This electronic screening method was developed based on the Government Accounting Act of Korea and the accounting regulations of government investment agencies.

First, companies that wish to undergo an electronic screening process should fill out an electronic screening application. When the company applies for an electronic qualification screening, the electronic screening registration company registration screen as shown in FIG. 6 is displayed. After entering all the relevant matters in the examination target company, the registration button is issued. The contents related to the authentication key are the same as those related to the authentication key described above, and the audited company performs various processes using the authentication key. The electronic screening registrar is stored in the electronic screening company database as shown in FIG. 7. This electronic screening company database contains self-assessment scores and various supporting documents. The document field is linked to the table that stores the actual supporting documents.

At the electronic screening process, the subject company prepares the screening screening self-assessment (S1201). That is, if the information is filled in the blank of the electronic screening evaluation score displayed on the screen, the result and score are calculated in the registration authentication server according to the prescribed formula. Auditors can use this score to indicate the possibility of passing the screening. Then, the registration authentication server compares the self-assessment table recorded by the current electronic screening target company with the information stored in the database, checks the facts in the case of different cases, and then updates the electronic screening company database. In addition, if the current electronic screening company is a new company, the relevant company information is recorded in the electronic screening company database.

In addition, the examination target company prepares and submits documents for verifying the self-evaluation table recorded by them (S1202). The registration authentication server creates a result table based on the provided documents (S1203). The registration certification server compares the contents of the actual documents with the self-assessment table and examines whether the documents are appropriate (S1204). If the submitted documents are appropriate, the evaluation is based on the self-assessment table prepared by the electronic screening company, and passes if it is above the standard score. At this time, if the document provided in step S1204 is not appropriate or if the score received from the company in step S1206 is less than the reference score is eliminated from the electronic qualification screening (S1205, S1207).

If the electronic screening target company passes the electronic screening, the company confirms the notification number in response to the bid (S1208). If the bidding announcement number is the bid is completed, the final award notification to the subject company (S1209). On the other hand, if the bidding announcement number is the case before bidding, it is possible to participate in the bidding by granting the authentication key to the company to be examined (S1210). Here, the description related to the authentication key is the same as the above.

When submitting documents online, an EDI (Electronic Data Interchange) system using XML (eXtensible Makeup Language) is used.

As described above, according to the present invention, the bidder for the item (service) procurement and construction bidding is selected through open electronic competitive bidding, electronic qualification screening, and EDI system. It is possible to drastically reduce the loss loss at the back. In particular, it is possible to provide transparent business processes and optimal reasonable prices of countries and related companies by suggesting a complete solution to the competitive bidding of related companies in the bidding bidding or competitive bidding, which has always been highlighted as the originality of the companies. This will contribute to national industrial development.

Claims (11)

A communication means for connecting an open electronic competitive bidding server, a registration authentication server, and at least one bidder to the open electronic competitive bidding server and a registration authentication server, and the communication with the open electronic competitive bidding server and a registration authentication server. In an open electronic competitive bidding method in an open electronic competitive bidding system including an electronic communication network connecting means, A first step of registering a bidding method, a bidding date, a bidding time, and a bidding object information in the open electronic competitive bidding server; A second step of the at least one bidder connecting to the open electronic competitive bidding server through the communication unit and applying to participate in the open electronic competitive bidding; A third step in which the at least one bidder accesses the open electronic competitive bidding server and participates in a bid at the bidding time; And When the bidding time ends, the public electronic bidding server includes a fourth step of determining a bidder who inputs the lowest bidder among bidders eligible for successful bidding as the final successful bidder. Electronic competitive bidding method. According to claim 1, The bidder is applied to participate in the public electronic bidding bidding access to the registration authentication server to receive an electronic qualification screening, only bidders who pass the electronic qualification screening bidding authority is granted, In the fourth step, the bidder who inputs the lowest bidder is determined as the final successful bidder. The bidder of claim 2, wherein the bidder passes the electronic qualification screening, and the bidder participates in the bid while presenting the personal identification information and the authentication key to the open electronic competitive bidding server. Open electronic competitive bidding method using an electronic communication network, characterized in that. The bidder of claim 1, wherein the successful bidders who input the low bidder are connected to the registration authentication server to receive an electronic qualification, and enter the lower bidder and pass the electronic qualification examination. An open electronic competitive bidding method using an electronic communication network, characterized in that the final successful bidder. 5. The bidding method of claim 4, wherein an authentication key is assigned to all bidders who apply to participate in the public electronic bidding, and in the third step, the bidder presents the personal identification information and the authentication key to the public electronic bidding server. Open electronic competitive bidding method using an electronic communication network, characterized in that participating in the. According to any one of claims 2 to 5, wherein the electronic screening process, A first sub-step of an electronic screening subject connecting to the registration authentication server using the communication means; A second sub-step of the electronic screening subject to prepare a screening self-assessment table for successful bid qualification evaluation; A third sub-step of the registration authentication server calculating a score using the result of preparing the qualification screening self-assessment table; A fourth sub-step of the electronic screening subject to submit documents for verifying a result of the preparation of the screening self-assessment table; And And a fifth sub-step of the registration authentication server to examine whether the submitted documents are appropriate and to determine whether to pass / drop eligibility screening based on the calculated score. . 6. The method of claim 3 or 5, wherein the authentication key uses a randomly selected encrypted string. 10. The open electronic competition using the electronic communication network according to claim 7, wherein, when attempting to participate in the bidding using the authentication key, if access fails for a predetermined number of times, the authority to use the authentication key is deprived. How to bid. The method of claim 1, wherein the third bidding method is a real-time low-cost reverse auction method. 2. The method of claim 1, wherein the third bidding method is a multi-order round reverse auction method. The bidding method of claim 10, wherein the multi-order round auction method is given a bidding time for each round, and bidders entered by bidders are disclosed when the bidding time of each round ends, and the bidders are entered based on bidders entered in the final round. Open electronic competitive bidding method using an electronic communication network, characterized in that the scheme for selecting.