Bidding documents are not divided into bidding documents and bidding documents, but into international and domestic bidding documents and goods engineering services. There are two differences between tender and tender, as follows:

First of all, the concept is different.

(1) The tender is commissioned by the bid issuing unit or the design unit, and provides the bidder with the documents of the main technology, quality and construction period of the project.

Bidding documents are legally binding and enforceable bidding behavior standard documents that all purchasers should abide by when bidding. Its logic is strong, and it cannot be inconsistent and ambiguous; Language should be concise and to the point.

(2) The tender refers to the quotation submitted by the tendering unit to the tendering unit according to the bidding conditions and requirements, and the documents filled with the tender form. It requires a special person to seal, mail or send it to the tender unit, so it is also called a tender letter.

The tender is a legally binding document, and both parties should recognize and abide by it when bidding. Therefore, it should be logical, not inconsistent and ambiguous, and the words should be concise and short. The accurate understanding and implementation of policies and regulations is conducive to the tenderer's elimination of discriminatory provisions, which is a strong resistance to the traditional concept of "what do you want to buy with money" by Party A (purchaser or contractor).

Second, the difference between primary and secondary

(1) The tender is also the basis for the bidder to prepare the tender, and the bidder must make a substantive response to the contents of the tender, otherwise it will be judged as invalid (treated as invalid tender). Tender is also the most important basis for bid evaluation. Generally, there is at least one original and two or more copies of the tender.

(2) The tender is a tender document prepared by the tenderer on the basis of full understanding of the tender documents (tender documents) and on-the-spot investigation and investigation. It is a response and commitment to the requirements put forward in the tender announcement, and at the same time, it puts forward specific prices and related matters to compete for the bid.

Extended data:

Matters needing attention in writing tender:

(1) The number of tender copies shall be determined according to the size of the target and the number of experts participating in bid evaluation, so as to facilitate bid evaluation. 4-5 parts, 5- 15 parts.

(2) Different bid evaluation methods, goods, services and projects.

(3) The bid validity is guaranteed to be 28-30 working days after the contract is signed.

(4) The bid bond is required for international bidding, and the bid bond system should be chosen as far as possible for domestic bidding because it is difficult to open bond certificates and the credibility of bond certificates is not good.

(5) Define the tender requirements.

(6) Seeking truth from facts, without resorting to deception.

(7) The language is concise and the tone is modest.

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