Using electronic seal and electronic signature technology, we can realize the paperless closed loop of signature and seal in all aspects of bidding, and realize the online and streamlined bidding activities. The application process of specific links is as follows:

1) Release the tender announcement: According to Article 7 of the Interim Measures for the Release of Tender Announcement, the text of the tender announcement to be released shall be signed by the tenderer or the principal responsible person of the tendering agency entrusted by him and stamped with the official seal.

The tenderee can draft the tender announcement and seal it online with the help of electronic signature; Compared with the previous offline project establishment and scheme formulation mode, electronic bidding can realize one-time release of bidding information and batch reception of suppliers, improve collaborative efficiency and ensure fairness and justice.

2) Online bidding registration: After reading the electronic bidding announcement online, the bidder can prepare the electronic bidding document and submit the qualification examination document online. By calling the electronic signature, the bidder can quickly complete the requirements of signing and stamping the tender.

Compared with the paper tender, which is stamped with corner mark and sewing seal page by page, the electronic signature can be completed quickly by "moving your finger", which improves the bidding efficiency.

3) Online bid opening and evaluation

The electronic bidding method realizes the online and remote bid evaluation of the bid evaluator. After the electronic signature function is integrated with the bid evaluation system, the bid evaluation personnel can fill in the bid evaluation opinions online and sign them online for confirmation after authentication.

Because the electronic signature technology has the characteristics of tamper-proof and identifiable signature identity, it effectively ensures the authenticity and validity of the bid evaluation results.

4) Online contract signing: the purchaser collects and compares the bidding information of suppliers online, finally determines the bid evaluation results and publishes them, and the bidding results can be quickly fed back to the tenderee and the winning bidder.

After receiving the bidding results online, the winning bidder can sign a procurement contract with the tenderer through online signing, and the circulation, review and signing of the procurement contract are streamlined, which effectively shortens the procurement cycle of enterprises.

To sum up, all bidding links are electronically signed and sealed, and the bidding management of enterprises is streamlined, electronic and integrated.