JP2003203168A - Electronic business system and electronic business method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a paperless electronic business system capable of examining an estimation sheet plan from anywhere. <P>SOLUTION: Specifications transmitted via the Internet 3 from a customer 2 are stored in a customer specification information storage device 6 of a server 5 connected to an intranet 4. A businessman 7 requests making of an estimation sheet to a person 8 in charge by e-mail. The person 8 in charge makes the estimation sheet plan by reading out the specifications from the customer specification information storage device 6 via the intranet 4, and stores the estimation sheet plan in an estimation sheet information storage device 9. The person 8 in charge requests investigation of the estimation sheet to an investigator 10 by e-mail. The investigator 10 reads out and checks the estimation sheet from the estimation sheet information storage device 9, and stores checked estimation sheet information in the estimation sheet information storage device 9. The investigator 10 requests approval to an approver 11 by e-mail. The approver 11 reads out and approves the checked estimation sheet, and outputs the estimation sheet information. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an electronic sales system and an electronic sales method using a communication network such as the Internet.

[0002]

2. Description of the Related Art In terms of product sales, there are sales methods for displaying products at stores and purchasing products with the performance desired by the customer. There is a sales method in which a specification is received from the company and a product conforming to the specification is sold.

[0003] Conventionally, a salesperson visits a customer to publicize a product or an exhibition to publicize a product to find a customer who needs the product. When a sales representative receives an inquiry from a customer who needs the product, he or she visits the customer and narrows down the technology and product performance required by the customer, and the specifications that are the technical requirements of the customer. Conduct business activities so that The sales person requests the specifications of the customer to the relevant departments in the company, examines the possibility of the solution technology, and adjusts internally so that a quotation is issued if possible.

The issuance of an estimate is carried out by selling the related expenses of each department such as the design department and the manufacturing department as costs and totaling them, and the materials department adjusting the estimated amount from the design department and the manufacturing department. It is provided to customers.

[0005]

However, the person in charge of the design department or the manufacturing department causes each department to prepare a huge amount of paper materials and prepares a paper quotation. The created paper quotation is subjected to a check (check) by, for example, a chief or a section chief who is predetermined as a researcher in the approval format. After that, the paper quotation is further circulated in approval format to a predetermined section manager as an approver, and after being confirmed, it is sent to a sales representative. On the other hand, the investigators and approvers often go on business trips, go out, and have meetings, so they do not have enough time to review the approval documents, and they approve and then circulate the approval without obtaining the approval.

The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a paperless electronic sales system and an electronic sales method in which a draft estimate can be examined from anywhere.

[0007]

To achieve the above object, an electronic sales system and an electronic sales method having the following configurations are provided.

That is, the electronic sales system according to claim 1 has a communication network for transmitting information, a customer specification information storage device connected to the communication network for storing specification information from a customer, and the communication. A quotation information storage device connected to a network for storing quotation information created based on the specification information, and a quotation information storage device connected to the communication network to create quotation information based on the specification information and storing the quotation information. A terminal for a person to store in the device and the quotation information read from the quotation information storage device connected to the communication network, and survey information obtained by examining the quotation information is stored in the quotation information storage device. A terminal for investigators to read and read and confirm the quotation information and survey information from the quotation information storage device connected to the communication network. Authorization information and characterized by being provided with the approver terminal for storage in the quotation information storage device.

According to the first aspect of the present invention, the quotation prepared by the person in charge is read out through the communication network by the investigator and the approver, who examines and approves it. Therefore, the communication line such as the Internet can be obtained from anywhere in the world. If you own a computer connected to, you can review the quotation,
The period between the survey and approval of the quotation can be greatly shortened, and it can be made paperless.

The electronic sales system according to claim 2 is the electronic sales system according to claim 1, wherein the terminal for the person in charge is
It is characterized in that a terminal for a researcher who investigates and checks the quotation information and a terminal for an approver who confirms the quotation are specified and a password is given.

According to the second aspect of the present invention, the person in charge of making the quotation specifies the terminal for the investigator and the terminal for the approver. When a person is appointed, it is possible to check the quotation that is not known by the person in charge, for example, as a company, as a business unit, as a department, and as a section, according to contracts, laws and regulations.

According to a third aspect of the present invention, in the electronic business system according to the first aspect, each of the investigator terminal and the approver terminal can register a substitute agent terminal when absent.

According to the third aspect of the present invention, the investigator terminal and the approver terminal can be registered as the agent terminals when they are absent, and can be handled by the person who has the convenience of study time. You can check whether you are satisfied with the customer's use and check the estimate that secures a proper profit.

An electronic sales system according to claim 4 is the electronic sales system according to claim 1, wherein the investigator terminal is
After reading the quotation information from the quotation information storage device, the quotation is locked so that the quotation cannot be modified from the terminal for the person in charge.

According to the fourth aspect, since the lower-ranking person's terminal cannot be modified after the higher-ranking investigator's terminal starts the examination of the quotation, the checking by the investigator's terminal can be effectively timed. Can be completed within.

According to a fifth aspect of the present invention, in the electronic business system according to the first aspect, the approver terminal is
After reading the checked quotation information from the quotation information storage device, the quotation is locked so that the quotation cannot be corrected from the person in charge terminal and the terminal for investigator.

According to the fifth aspect of the invention, after the higher-level approver has started the examination of the quotation, the lower-level investigator terminal and the person-in-charge terminal cannot be modified. Can be efficiently completed in time.

According to a sixth aspect of the present invention, in the electronic business system according to the first aspect, the surveyor terminal reads the quotation information from the quotation information storage device or the approver's terminal reads the quotation information. When it is desired to correct the quote from the terminal for the person in charge after reading the quote information from the quote information storage device, it is characterized in that the quote is corrected by e-mail or telephone.

According to the invention of claim 6, when it is desired to correct the quotation from the terminal for the person in charge after the quotation is moved to the terminal for the investigator or the terminal for the approver, the revision can be made by e-mail or telephone. Since it can be modified with permission, it is possible to avoid having two types of quotes.

According to a seventh aspect of the present invention, in the electronic business system according to the first aspect, the information stored in the customer specification information storage device and the quotation information storage device has a password for which viewing is permitted. The feature is that it can be read only from a personal computer.

According to the invention of claim 7, the information stored in the customer specification information storage device and the quotation information storage device can be read out only from a personal computer having a password for which browsing is permitted. , It is possible to ensure confidentiality because it can be viewed only by specific persons.

According to an eighth aspect of the electronic business method, a customer specification document information storing step of storing the specification document received from the customer in a customer specification document information storage device connected to a communication network, and the customer specification. The specification sheet stored in the document information storage device is read out from the customer specification sheet information storage device via the communication network from a terminal for a person who is permitted to browse the specification sheet, and an estimate sheet is created. A quotation information storage step for storing the quotation information, a survey request step for requesting a survey of the quotation by e-mail from the person in charge terminal to the surveyor terminal, and the surveyor terminal in the quotation information storage device. The stored quote is read out via the communication network to check the quote,
A checked quote information storage step of storing checked quote information in the quote information storage device; and an approval request step of requesting approval of the quote by e-mail from the investigator terminal to the approver terminal. , The checked quotation information stored in the quotation information storage device from the approver terminal is read through the communication network to approve the quotation, and the approved quotation information is stored in the quotation information storage device. And an approved quotation information storage step of storing information.

According to the invention of claim 8, the request for reviewing the quotation is made by e-mail, and the content information of the quotation can be viewed only by the inspector and the approver. Therefore, the request between business can be surely made by e-mail. You can contact us and manage the confidentiality of the quote with a password. Furthermore, by performing a request between business operations by e-mail, it is possible to distinguish between the urgency and the importance, and it is possible to confirm whether or not the other person has seen it. Further, since the quotation is created via the intranet, the person in charge, the researcher, and the approver can examine the draft of the quotation from anywhere, and it becomes paperless.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of an electronic sales system of the present invention will be described with reference to FIG. In this embodiment, communication with the customer is made via the Internet, and approval of the in-house quotation is communicated via the intranet to check the contents of the quotation in a timely manner regardless of where the investigator or approver is. It is an electronic sales system that enables to promptly provide a quote.

The electronic sales system 1 receives the specifications transmitted from the customer 2 via the communication network, for example, the Internet 3, and is connected to the intranet 4, for example, and the customer specifications of the server 5 in which the specification information is stored. The information storage device 6 and the sales person 7 who is permitted to browse the specifications stored in the customer specifications information storage device 6 read out the specifications from the customers specifications information storage device 6 via the intranet 4 and manufacture them. A quotation document preparation requesting means for transmitting to a terminal used by the person in charge 8 in the department, for example, a personal computer, and the person in charge 8 prepares a quotation plan, and the quotation information storage device 9 provided in the server 5 in which the draft plan is stored. Then, the investigator 10 who is permitted to browse the quote stored in the quote information storage device 9 uses the terminal, for example, a personal computer, from the quote information storage device 9 via the intranet 4. Checked quotation information storage means for storing the checked quotation information in the quotation information storage device 9 after it is checked out, and the approved approval of the checked quotation information stored in the quotation information storage device 9. Person 1
1. The terminal used by 1, for example, a personal computer, is read from the quotation information storage device 9 via the intranet 4, approves the quotation, and the approved quotation information storage means for storing the approved quotation information in the quotation information storage device 9, The personal computer used by the business 7 comprises an approved quotation information transmitting means for transmitting the approved quotation information from the intranet 4 to the customer 2 via the Internet 3.

Specification information and quotation information can be communicated to and from the maker side via the Internet 3 with the customer 2, and the specifications and quotation can be exchanged in a highly reliable form. You have the choice to do so.
This option is a matter for the customer 2 to decide.

The server 5 is composed of a computer,
It is a transmission / reception device that is connected to the manufacturer's intranet 4 and transmits / receives information to / from the customer 2 via the Internet 3. The server 5 is provided with a storage device including a customer specification information storage device 6 and a quotation information storage device 9. The specifications and the quotation are managed and stored in a confidential state in this storage device.

The salesperson 7 operates by the time of receiving the specifications from the customer 2, and returns to the customer 2 an estimate prepared by carrying out a cost calculation for designing and manufacturing which satisfies the specifications. The business 7 adjusts the quotation created by the manufacturing department and the sales department and submits the quotation 15 as shown in FIG. 2 to the customer 2.

The quotation sheet 15 describes information such as the validity period information of the quotation, the payment condition information, the total quotation amount information, the delivery date information, the quantity of the component equipment and the labor cost, the unit price, the total price and the like. The manufacturing department has a design department and a manufacturing department,
The expenses created by each department are added up as an estimate. The various costs include various material costs, development costs, and personnel costs. Similarly, the design department and the manufacturing department incur costs in units such as sections and groups.

Therefore, the quotation is compiled by a large number of persons in charge and officials in a short time decided.
As the size of the company increases, a large number of persons in charge and executives are involved in issuing the quotation, and it takes a considerably long time to coordinate the large number of people. This reduction in time is solved by the intranet 4 and the internet 3 which are communication networks. The use of the communication network makes it possible to create a personal computer connected to the communication network from anywhere, wherever the person in charge or the official is, and to check and confirm it by the person in charge or the official.

The quotient settlement system on the maker side is characterized in that it makes a paperless request for settlement of the quotations via the intranet 4. If the authorizer, the researcher or the approver, knows the licensed password no matter where they are, for example, when traveling on a long distance overseas or domestically, or on the train,
With a personal computer connected to the Internet, you can open, view, review, and comment on a quote that has been approved. Items to be reviewed such as comments on the quotation can be returned to the person in charge 8 as a denial mail via the Internet 3 and the intranet 4.

As described above, the system allows the settlement of the quotation no matter where the user is, but when the arbitrator cannot carry out his / her duties due to illness or the like, the system allows a substitute to be set, so that the system allows quick approval. Has become.

The relationship between the person in charge 8, the researcher 10, and the approver 11 exists in each design department, manufacturing department, each business department, each department, each section, each group, and the like.

The person in charge 8 is in charge of the following work using a terminal such as a personal computer connected to the intranet 4. The person in charge 8 searches for similar quotes in the past from the quote information storage device 9 by a free keyword, coordinates with related departments to create a draft estimate, stores it in the quote information storage device 9, and stores it in the investigator and approver. Ask to check. The person in charge 8 appoints an inspector name and an approver name for the created estimate document. The person in charge 8 manages the quotation for ending the settlement of the quotation by the date of submission determined by the customer 2. When the person in charge 8 receives the absent mail from the approver 11 or the investigator 10, the person in charge 8 designates a substitute. If the person in charge 8 has a correction (correction) part as a result of the check by the approver 11 or the investigator 10, an electronic mail to the effect of denial is transmitted. The reason for denial is stored in the quotation information storage device 9. Storage in the quotation information storage device 9 is stored in association with information such as the target product name, the quotation name, and the storage date. When the e-mail to the effect of denial is received, the person in charge 8 reads the reason for the denial from the quotation information storage device 9 through the intranet 4, examines it, creates a re-estimate, and prepares the quotation information storage device 9 Remember. The person in charge 8 requests the investigator and approver to recheck the re-estimate.

Further, the person in charge 8 is in charge of the work such as examining and approving the change of the time limit when the e-mail requesting the time limit extension is sent from the approver or the researcher. The person in charge 8 is in the design department and manufacturing department of the related departments, and the amount of information in the quotation information output from each person in charge is enormous, but this information is stored together in the quotation information storage device 9. By doing so, it is possible to browse when necessary.

The investigator 10 is in charge of the following tasks using a terminal such as a personal computer connected to the intranet 4. The investigator 10 uses the personal computer connected to the intranet 4 to read the quotation information with the licensed password based on the e-mail requesting the quotation survey made by the person in charge 8 and check it to check the problem. If there is no point, the authorization information is emailed to the IP address of the person in charge 8. Further, the investigator 10 sends an e-mail to the IP address of the person in charge 8 to the effect that the correction is denied if there is a correction or further examination. The reason for denial is stored in the quotation information storage device 9. Further, when the investigator 10 is to be absent, he / she sends an e-mail to the IP address of the person in charge 8 indicating that he / she is absent, and requests the agent to be set. Therefore, the investigator 10 is in charge of a manager, such as a chief or a section chief, who makes a judgment with a wider view than the person in charge 8.

The approver 11 uses a terminal connected to the intranet 4, for example, a personal computer, and is in charge of the following tasks. The approver 11 uses the personal computer connected to the intranet 4 to read out the quotation information with the authorized password based on the e-mail requesting approval of the quotation checked by the investigator 10, and checks the problem. If not, the approval information is emailed to the IP addresses of the investigator 10 and the person in charge 8. In addition, the approver 11 sends an e-mail to the IP address of the personal computer for the inspector 10 and the person in charge 8 to the effect that it will be denied if there are correction points and further examination points. The reason for denial is stored in the quotation information storage device 9.

Further, when the approver 11 is absent, he / she is in charge of business such as notifying that he / she is absent and sending an e-mail to the IP address of the personal computer for the person in charge 8 to request setting of a substitute. Therefore, the approver 11 is in charge of a manager, such as a section manager or a department manager, who judges from a wider perspective than the inspector 10. The electronic sales system 1 is configured in this way. The electronic sales system 1 is further provided with the following functions.

After the investigator 10 reads out the quotation information created by the person in charge 8 from the quotation information storage device 9, it is locked so that the person in charge 8 cannot correct the quotation. Further, after the approver reads the checked quotation information from the quotation information storage device 9, it is locked so that the quotation cannot be modified from the personal computers for the person in charge 8 and the investigator 10.

If the person in charge 8 wants to make a correction, he or she can do it by doing the following. When the person in charge 8 wants to correct the quote after the investigator 10 reads the quote information from the quote information storage device 9 or after the approver 11 reads the quote information from the quote information storage device 9,
It is possible to make corrections after obtaining the correction permission from the personal computer for the inspector 10 and the approver 11 by e-mail or telephone. The revision by such a procedure can prevent the revised quotation and other quotation from being mixed.

Next, the electronic sales method will be described with reference to the flowchart of FIG. The same parts as those in FIGS. 1 and 2 will be described with the same reference numerals and the detailed description thereof will be omitted.

The business 7 participates in an exhibition to find a customer or opens a homepage on the Internet 3 to exhibit technology such as in-house technology, performance, function and application of in-house products. As a result, when a candidate for the customer 2 is obtained, the salesperson 7 visits and performs marketing to understand the needs of the customer 2 and operates so as to receive the specifications from the customer 2 (S
-1). The specifications from the customer 2 can be obtained via the Internet 3 or can be obtained as paper information. The customer 2 selects which to select.

The specification from the customer 2 is received by the person in charge of the sales 7 and approved by the sales official, and then the intranet 4
Customer specification information storage device 6 by a personal computer connected to
Memorized in. Since the customer specifications stored in the customer specification information storage device 6 are confidential information, they are locked so that only the authorized person can view them. The person in charge of sales 7 requests the related officials of the design department and the manufacturing department of the related departments to browse the specifications of the customer 2 and to create the password and the quotation via the intranet 4. Each officer of the design department and the manufacturing department nominates the person in charge 8 from the personal computer connected to the intranet 4 and gives the person in charge via the intranet 4 a quotation preparation request and a password. Person 8 is intranet 4
The inspector 10 and the approver 11 are specified from the personal computer connected to the server via the intranet 4 and a password is given (S-2).

The person in charge 8 of the design department and the manufacturing department reads the specifications of the customer 2 stored in the customer specification information storage device 6 from the personal computer connected to the intranet 4 via the intranet 4 and browses them. Then, a similar quote in the past is searched from the customer specification information storage device 6, and if there is a similar quote in the past, the quote is created with reference to it, and if there is not, a new quote is created. create. The person in charge 8 of the design department and the manufacturing department uses the quotation information storage device 9 for the quotation created from the personal computer connected to the intranet 4.
The customer name, the product name, the input date and time, the creator name, and the reference number are stored in association with each other (S-3).

The person in charge 8 sends an email requesting a quotation survey via the intranet 4 to the IP address of the surveyor 10 designated from the personal computer connected to the intranet 4. The investigator 10 uses the password granted from the personal computer connected to the intranet 4
Read the quotation created by the person in charge 8 from the quotation information storage device 9 through, browse and check, and survey from a wide perspective such as relationships with other customers 2, existing contracts, related laws and regulations, company regulations, etc. Then, if there is an item that needs to be corrected or an item that needs further examination, the content is described and stored in the quotation information storage device 9. At this time, the investigator 10 emails the refusal to the IP address of the person in charge 8 (S-5).

The person in charge 8 who received the denial e-mail,
The reason for the denial investigated by the investigator 10 is read out from the quotation information storage device 9 by the personal computer connected to the intranet 4 and examined to prepare a re-estimation. The person in charge 8 stores the re-estimate created from the personal computer connected to the intranet 4 in the quotation information storage device 9, and the investigator 10
E-mail the request for re-survey of the re-estimate to P address.
The investigator 10 reads the re-estimate from the quotation information storage device 9 by the personal computer connected to the intranet 4 and re-surveys it. As a result of the reinvestigation from the personal computer connected to the intranet 4, the investigator 10 judges that there is no matter such as a matter that needs to be corrected or a matter that needs to be examined, determines that the matter is authorized, and signs it. Memorize that (S-
6). After that, the investigator 10 sends an email requesting approval of the quotation from the personal computer connected to the intranet 4 to the IP address of the approver 11 designated by the person in charge 8 via the intranet 3 (S-7).

The approver 11 reads the quotation from the quotation information storage device 9 by using the personal computer connected to the intranet 4, browses the quotation, confirms the comments of the surveyor 10, and confirms the survey contents of the surveyor 10. If there is an oversight, the reason is specifically attached and the fact is stored in the quotation information storage device 9 (S-8). After that, the approver 11 denies using the personal computer connected to the intranet 4, and the person in charge 8
E-mail request for review to P address (S-9)
Together, an e-mail is sent to the IP address of the investigator 10 about the necessity of resurvey.

The person in charge 8 reads the reason for reexamination from the quotation information storage device 9 using the personal computer connected to the intranet 4, and corrects the quotation. The corrected quotation is similarly stored from the personal computer connected to the intranet 4 in the quotation information storage device 9 in association with the correction date information, and again surveyed by the surveyor 10. The investigator 10 reads the revised quotation from the quotation information storage device 9 by the personal computer connected to the intranet 4, re-examines and approves it, and stores the authorization information such as the signature in association with the authorization date information, and approves it. Request re-approval to person 11. Approver 11
Reads out the revised quotation from the quotation information storage device 9 using a personal computer connected to the intranet 4 and approves it.
The approval information such as a signature is stored in association with the approval date information (S-10). When the investigator 10 and the approver 11 reject the personal computer connected to the intranet 4 in these re-processes, the process of sending back to the person in charge 8 is repeated to complete the quotation.

When the approver 11 sends an e-mail to the IP addresses of the investigator 10 and the approver 11 that the personal computer connected to the intranet 4 has approved, the quotation is completed to the sales person in charge IP Adderes. Is sent by e-mail (S-11). The person in charge of sales 7 requests the sales manager to confirm the completed quotation of the design department and the manufacturing department. The sales manager collates and confirms with the specifications from the customer 2 (S-12),
If there is any inconvenient matter, the reason is stored in the quotation information storage device 9, the result is denied, and the approver 11 is requested to reconsider (S-13).

If the manager of the sales department confirms the information, the sales manager signs it by associating it with the confirmation date information by the personal computer connected to the intranet 4, and sends an e-mail to the IP address of the personal computer for the sales person (S-14). The sales person submits the quotation to the customer 2 by the response means specified by the customer 2. Customer 2
If the customer wants to send the quotation, the sales person sends the quotation through the Internet 3 by the personal computer connected to the intranet 4. If the customer 2 wants a page, the sales staff will bring or mail the quotation in writing (S-1).
5).

In this way, the request from the person in charge of making the quotation 8, the inspector 10, and the approver 11 can be surely made by e-mail by inputting the IP address of each partner from the personal computer connected to the intranet 4. Since the confidentiality of the quotation is managed so that it can be browsed with the licensed password, the quotation can be created within the deadline designated by the customer 2.

In the above-described embodiment, the example in which the specification is received from the customer 2 via the Internet 3 has been described, but the specification may be obtained on paper. In this case, the salesperson 7 converts the specification information on the paper into a digital signal by OCR and stores it in the customer specification information storage device 5 so that it can be viewed by an in-house person at any time.

According to the above-described embodiment, the intranet is used to create the quotation that must be submitted immediately when the customer wants it, and the request for the work is surely notified by e-mail, and the quotation is sent. Confidentiality can be managed with a password. Further, by using the electronic mail for the request between the tasks, it is possible to distinguish between the urgency and the importance, and it is possible to confirm whether or not the other party has seen, so that the other party can be surely notified. Further, since the quotation is created via the intranet, the person in charge, the researcher, and the approver can examine the draft of the quotation from anywhere, and it becomes paperless.

[0054]

According to the present invention, it is possible to examine a draft estimate from anywhere and make it paperless.

[Brief description of drawings]

FIG. 1 is a system configuration diagram for explaining an embodiment of an electronic sales system of the present invention.

FIG. 2 is an explanatory diagram for explaining the quotation of FIG.

3 is a flowchart for explaining an embodiment of the electronic sales method of FIG.

[Explanation of symbols]

1 ... Electronic sales system, 2 ... Customer, 3 ... Internet, 4 ... Intranet, 5 ... Server, 6 ... Customer specification information storage device, 7 ... Sales, 8 ... Person in charge, 9 ... Quotation information storage device, 10 ... Investigator, 11 ... Approver.

Claims (8)

[Claims] 1. A communication network for transmitting information, a customer specification information storage device connected to this communication network for storing specification information from a customer, and a communication network connected to the communication network for storing the specification information. A quotation information storage device for storing quotation information created based on the quotation information, and a person in charge for creating quotation information based on the specification information connected to the communication network and storing the quotation information in the quotation information storage device. A terminal, a terminal for a researcher connected to the communication network to read the quotation information from the quotation information storage device, and store survey information in which the quotation information is surveyed in the quotation information storage device; The quotation information storage device is connected to the communication network, reads the quotation information and survey information from the quotation information storage device, and confirms the confirmed approval information. Electronic operating system characterized in that it is formed by and a approver terminal for storing. 2. The terminal for a person in charge specifies a terminal for a researcher who investigates and checks the quotation information and a terminal for an approver who confirms the quotation, and gives a password. The electronic sales system described in 1. 3. The electronic sales system according to claim 1, wherein each of the researcher terminal and the approver terminal can register a terminal for an agent who is absent. 4. The investigator terminal locks the quote so that it cannot be modified by the person in charge terminal after the quote information is read from the quote information storage device. The electronic sales system according to claim 1. 5. After the approver terminal reads the checked quotation information from the quotation information storage device,
The lock is made so that the quotation cannot be modified from the person in charge terminal and the terminal for investigator.
Electronic sales system described. 6. A person in charge after the surveyor terminal reads the quotation information from the quotation information storage device or after the approver terminal reads the quotation information from the quotation information storage device. The electronic sales system according to claim 1, wherein when the user wants to correct the quotation from a mobile terminal, the quotation is corrected by e-mail or telephone with permission for correction. 7. The information stored in the customer specification information storage device and the quotation information storage device can be read out only by a personal computer having a password for which viewing is permitted. Electronic sales system described. 8. A customer specification document information storing step of storing a specification document received from a customer in a customer specification document information storage device connected to a communication network; and storing the specification document in the customer specification document information storage device. A quotation information storage unit that reads out the specification sheet from the customer specification sheet information storage device via the communication network, creates an estimate sheet, and stores the estimate sheet in the estimate sheet information storage device A step of requesting a survey of the quote from the terminal for the person in charge to the terminal for the investigator by email, and a step of requesting the quote stored in the quote information storage device from the terminal for the investigator. A checked quote information storage step of reading the quote through the communication network, checking the quote, and storing checked quote information in the quote information storage device; An approval request step of requesting approval of the quote from the investigator terminal to the approver terminal by e-mail; and the checked quotes stored in the quote information storage device from the approver terminal. And an approved quote information storage step of reading information via the communication network, approving the quote, and storing approved quote information in the quote information storage device. Business method.