1, bidding and tendering, is carried out in a market economy, the sale of bulk goods, engineering and construction projects have contracting and contracting, as well as the procurement of services and the provision of a transaction method used. In this transaction mode, usually by the project procurement (including the purchase of goods, engineering contracting and procurement of services) of the purchaser as the bidding party, through the issuance of a tender notice or to a certain number of specific suppliers, contractors, such as the invitation to bidding and other ways to send out the tender procurement information, put forward the nature of the procurement project and its quantity, quality, technical requirements, delivery period, completion period or to provide services, as well as other suppliers, contractors and other suppliers and contractors. time, and the qualification requirements of other suppliers and contractors, and other conditions for tendering and procurement, indicating the intention to select the suppliers and contractors that are best able to satisfy the procurement requirements for the signing of a procurement contract with them, and to participate in the bidding competition by intentionally providing quotations for the procurement of the goods, construction or services required and other conditions responsive to the requirements of the tender. After reviewing and comparing the offers and other conditions of the bidders, the bidder shall select the successful bidder on the basis of merit and enter into a procurement contract with it.
2, bidding and tendering is also referred to as bidding and tendering. Tendering and bidding is a commodity trading behavior, is the two aspects of the transaction process. Bidding and tendering is an international practice, is the product of the high degree of development of the commodity economy, is the application of technology, economic methods and the role of the competition mechanism of the market economy, organized to carry out a kind of merit-based transaction. This way is in the procurement of goods, works and services, the bidder through the procurement and requirements announced in advance, to attract a large number of bidders in accordance with the same conditions of equal competition, in accordance with the prescribed procedures and organization of technical, economic and legal experts on a large number of bidders to carry out a comprehensive evaluation, and from them to select the winner of the project on the basis of the behavior of the process. The essence is to obtain the best goods, works and services at a lower price.