Theoretically speaking, construction projects are futures commodities, and the expected characteristics of commodity quality cause consumers to worry about the uncertainty of commodity quality, so commodity demanders are more concerned about the credit, performance and credibility of commodity producers.

bid documents delivered after the deadline for submission of bid documents required by the tender documents; The bid documents are not sealed or in poor sealing condition.

grasp the theme. Bidders should carefully study and correctly understand all the contents of the tender documents, and on this basis, prepare the tender documents as required, and avoid digression;

strict specification. The bidding documents must fill in and say the main contents of the bidding documents, such as R&D content, technical requirements, project price, implementation plan, etc., and cannot omit or avoid the questions that must be answered in the bidding documents, let alone put forward any attached conditions;

true and effective. The contents stated in the bidding documents and the supporting materials provided must be true and reliable, objectively reflect the situation of the bidder, and shall not resort to deceit;

overall consideration. The contents of the bidding documents may involve technical, economic, credit and other aspects, therefore, the bidder should organize the personnel of relevant departments to prepare separately. At the same time, the content of the whole bidding document should be consistent and coherent;

set up documents reasonably. A complete and qualified bidding document should not only have detailed contents, but also cover, table of contents, header and footer, etc., and be reasonable and appropriate in page arrangement, title setting, font, font size and color of chart description, which not only conforms to the rigor of scientific and technological projects, but also reflects its own characteristics. Relevant legal knowledge:

Provisions on relevant contents in the Bidding Law of the People's Republic of China

Article 9 If a project subject to tender needs to go through the project examination and approval procedures in accordance with relevant state regulations, it shall go through the examination and approval procedures first and obtain approval.

the tenderer shall have the corresponding funds or sources of funds for the project subject to tender, and shall truthfully state them in the tender documents.

Article 1 Bidding is divided into open bidding and invitation bidding.

public bidding means that the tenderer invites unspecified legal persons or other organizations to bid by means of tender announcement.

Invitation to bid means that a tenderer invites a specific legal person or other organization to bid in the form of an invitation to bid.

article 11 if the national key projects determined by the development planning department of the State Council and the local key projects determined by the people's governments of provinces, autonomous regions and municipalities directly under the central government are not suitable for public bidding, the invitation bidding may be conducted with the approval of the development planning department of the State Council or the people's governments of provinces, autonomous regions and municipalities directly under the central government.

article 12 a tenderer has the right to choose a bidding agency and entrust it to handle bidding matters. No unit or individual may designate a tendering agency for the tenderee in any way.

if a tenderer has the ability to prepare tender documents and organize bid evaluation, he can handle the tender matters by himself. No unit or individual may force it to entrust a bidding agency to handle bidding matters.

for a project subject to tender according to law, if the tenderer handles the tender matters by himself, it shall file with the relevant administrative supervision department.

Article 13 A bidding agency is a social intermediary organization established according to law, engaged in bidding agency business and providing relevant services.

A bidding agency shall meet the following conditions:

It has a business place and corresponding funds for engaging in bidding agency business;

having corresponding professional strength capable of compiling bidding documents and organizing bid evaluation;

there is an expert database in technical and economic aspects that meets the requirements stipulated in the third paragraph of Article 37 of this Law and can be used as a member of the bid evaluation committee.

article 14 the qualification of a bidding agency engaged in the bidding agency business of engineering construction projects shall be determined by the construction administrative department of the State Council or the people's government of a province, autonomous region or municipality directly under the central government. The specific measures shall be formulated by the construction administrative department of the State Council in conjunction with the relevant departments of the State Council. The competent department in charge of qualification determination of bidding agencies engaged in other bidding agency business shall be stipulated by the State Council.

there shall be no subordinate relationship or other interest relationship between the tendering agency and the administrative organ or other state organs.

article 15 a bidding agency shall handle the bidding matters within the scope entrusted by the tenderer and abide by the provisions of this law on tenderers.

article 16 if a tenderer adopts open tender, it shall issue a tender announcement. The tender announcement of a project subject to tender according to law shall be published through newspapers, information networks or other media designated by the state.