① General description; (2) Bidding documents; (three) the preparation of the tender; (4) Submission of tenders; (5) bid opening and evaluation; ⑥ Award the contract. \x0d\ Relevant legal knowledge: \x0d\ Provisions on the relevant contents of the Bidding Law of People's Republic of China (PRC) \x0d\ Article 26 A bidder shall have the ability to undertake the project subject to tender; If the relevant provisions of the state stipulate the qualifications of bidders or the bidding documents stipulate the qualifications of bidders, the bidders shall meet the prescribed qualifications. \x0d\ Article 27 A bidder shall prepare his bid documents in accordance with the requirements of the tender documents. The bidding documents shall respond to the substantive requirements and conditions put forward in the bidding documents. \x0d\ The project subject to tender belongs to construction, and the contents of bidding documents shall include resumes, achievements and mechanical equipment to be used to complete the project subject to tender. \x0d\ Article 28 A bidder shall deliver the bid documents to the bidding place before the deadline for submission of bid documents required by the tender documents. After receiving the tender documents, the tenderee shall sign and keep them, and shall not open them. If there are less than three bidders, the tenderer shall re-invite tenders in accordance with this Law. \x0d\ Bidding documents submitted after the deadline for submission of bidding documents required by the bidding documents will be rejected by the tenderee. \x0d\ Article 29 A bidder may supplement, modify or withdraw the submitted bid documents before the deadline required by the tender documents, and notify the tenderer in writing. The supplementary and revised contents are an integral part of the tender documents. \x0d\ Article 30 If a bidder intends to subcontract part of the non-major and non-critical work of the winning project after winning the bid according to the actual situation of the project specified in the tender documents, it shall be specified in the tender documents. \x0d\ Article 31 Two or more legal persons or other organizations may form a consortium to jointly bid as a bidder.