(1) bidding

Bidding refers to the specific links such as issuing a tender announcement or invitation letter, compiling and selling tender documents according to law after the tenderer completes the project examination and approval procedures and confirms the source of funds in accordance with relevant state regulations.

The tender document is an invitation document sent by the tenderer to the potential bidders, and it is a written document sent to the bidders, providing them with the information needed for compiling the tender document and informing them of the rules, standards, methods and procedures on which bidding and tendering are based. The tender documents shall include all substantive requirements and conditions such as the technical requirements of the project subject to tender, the standards for qualification examination of bidders, the requirements for bid quotation and evaluation criteria, and the main terms of the contract to be signed.

The tenderer shall prepare the tender documents according to the characteristics and needs of the project subject to tender. Compiling bidding documents is the most important and critical work of the tenderer in this link.

(2) Bidding

Bidding means that bidders prepare and submit bidding documents according to the requirements of bidding documents and respond to bidding activities. Bidders' participation in competition and one-time bidding quotation are completed in the bidding process. After the deadline for submission of bids, no new bids will be accepted, and bidders can no longer change their bid quotations and other substantive contents.

Compiling bidding documents according to the requirements of bidding documents is the most important work for bidders, and the bidding documents should respond to the substantive requirements and conditions put forward in the bidding documents.

Substantial requirements and conditions generally include: bid quotation, signing of bid documents, bid bond, completion period of bidding project, bid validity period, important technical specifications and standards, main contract terms and other conditions unacceptable to the tenderer, etc.

(3) bid opening

The bid opening means that the tenderer invites all bidders to be present at the time and place specified in the bidding documents, opens the bidding documents submitted by bidders in public, and announces the names of bidders, bid quotations and other important contents in the bidding documents. The most basic requirement and feature of bid opening is publicity, which guarantees all bidders' right to know. This is also the basic condition for safeguarding the legitimate rights and interests of all parties.

The most important part of the bid opening process is that the bid opening should be conducted in public at the same time as the deadline for submission of bid documents determined in the tender documents; The place of bid opening shall be the place predetermined in the tender documents. The bid opening shall be presided over by the tenderer, and all bidders shall be invited to participate. The procedures and contents of bid opening include seal inspection, unpacking, bidding and filing.

It should be noted that if there are less than three bidders, the bid opening shall not be allowed; The tenderer shall re-invite tenders. If a bidder has any objection to the bid opening, it shall raise it at the bid opening site, and the tenderer shall reply on the spot and make records.

(4) Bid evaluation

Bid evaluation means that the tenderer establishes a bid evaluation committee according to law, and reviews, evaluates and compares the bidding documents according to the provisions and requirements of the bidding documents, so as to determine the winning candidate, which is the necessary procedure for reviewing and determining the winning bidder. Whether the bid evaluation is legal, standardized, fair and just plays a decisive role in the bidding result.

The main activities of the bid evaluation link are to set up a bid evaluation committee, bid evaluation experts to abide by the bid evaluation discipline, perform bid evaluation procedures, prepare bid evaluation reports and recommend successful candidates.

(5) Winning the bid

Winning bid, also known as calibration, means that the tenderer determines the winning bidder from the candidates recommended by the bid evaluation committee, issues a bid-winning notice to the winning bidder, and notifies all bidders who have not won the bid. According to the law, some bidding projects should be publicized according to law after determining the winning candidate and the winning bidder. Winning the bid is not only a link that determines the result of competition, but also a link where objections, complaints and reports occur, and relevant parties should deal with it according to law.

The bid evaluation committee recommends qualified bid-winning candidates, publicizes the bid-winning candidates, and the tenderer determines the bid winner by himself or authorizes the bid evaluation committee to issue the bid-winning notice, which is the main activity of the bid-winning link.

(6) sign a written contract

After the bid-winning notice is issued. The tenderer and the winning bidder shall conclude a written contract in accordance with the tender documents and the bidding documents of the winning bidder within the specified time, and the winning bidder shall fulfill its obligations in accordance with the contract and complete the winning project. The tenderer shall, within 0.5 days from the date of determining the winning bidder, submit a written report on the bidding situation to the relevant administrative supervision departments.

1) Before signing the contract: If the tender documents require the winning bidder to submit the performance bond, the winning bidder shall submit it according to the requirements of the tender documents.

2) When signing the contract: the main terms of the contract, such as the subject matter, price, quality, performance period, etc., should be consistent with the contents of the bidding documents and the bid documents of the winning bidder.

3) After the contract is signed, the tenderer will refund the bid bond and bank deposit interest for the same period to the winning bidder and unsuccessful bidder. If the winning bidder fails to conclude a contract with the tenderer without justifiable reasons, puts forward additional conditions to the tenderer when signing the contract, or fails to submit the performance bond in accordance with the requirements of the tender documents, the winning bidder will be disqualified and the bid bond will not be returned.