1. Bidders must use the bidding document format provided by the tender documents when preparing bidding documents, but the format can be extended according to the same format. The methods of bid bond and performance bond can be selected according to the relevant provisions of the bidding documents. When the bidder fills in the blanks in the bidding documents according to the requirements and conditions of the bidding documents, all the blanks required to be filled in must be filled in and shall not be left blank; Otherwise, it is regarded as giving up. Substantive items or figures that are not filled in, such as construction period, quality grade and price, will be regarded as invalid or invalid. Send the bidding documents to the tenderer on the specified date, waiting for the bid opening and award.

2. Only one "original" should be prepared for the bidding documents, and the "copy" should be provided according to the number of copies specified in the previous schedule of the bidding documents. At the same time, the words "original" and "copy" of the bidding documents shall be marked on the cover of the tender. If there is any discrepancy between the original and the copy of the bidding documents, the original shall prevail.

3. The original and copy of the bidding documents should be printed or written in indelible ink, and the handwriting of all kinds of bidding documents should be clear and correct, and the supplementary design drawings should be neat and beautiful.

4. All bidding documents shall be signed by the legal representative of the bidder and stamped with the official seal, and stamped with the official seal of the legal entity.

5, fill in the tender documents should be checked repeatedly, to ensure that the breakdown and summary calculation are error-free. A complete set of bidding documents shall be free from alteration and interlineation, unless these deletions are made according to the requirements of the tenderee, or errors that must be revised are caused by the bidder. The modification shall be signed and sealed by the signatory of the bidding documents.

6. If the tender documents stipulate that the bid bond is a certain proportion of the total contract price, don't open the bid bond too early to prevent your quotation from leaking. However, there are also cases where some bidders issue letters of guarantee in advance and deliberately increase the amount of letters of guarantee to paralyze competitors.

7. The bidder shall seal the technical bid and business bid of the bidding documents in an inner envelope, and then in an outer envelope, and mark the "technical bid" and "business bid" on the inner envelope. The sealed part of the bid package must be sealed, and all sealed joints should be sealed with seal or legal person seal. The inner and outer envelopes shall be signed by the legal representative of the bidder, stamped with the official seal, and stamped with the official seal of the legal entity. The inner and outer envelopes shall be marked with the name and address of the bidder, project name and tender number, and shall not be opened before the bid opening time. The name, address and postal code of the bidder should also be indicated on the inner envelope and the outer envelope, so that the bid documents can be returned intact when they are sent late. If the inner and outer envelopes are not sealed and marked according to the above provisions, the bidding documents will be rejected and returned to the bidder. The bidding documents shall be submitted on time according to the unit and address mentioned in the schedule before the bidding documents.

8. The bidding documents should be printed neatly and pleasing to the eye, so as to avoid the aversion of bid evaluation experts. The binding of bidding documents should also be paid attention to, so that the bid evaluation experts can clearly understand the strength of the bidder's enterprise from the side.