What are the modes of government procurement?

Article 26 of the Law of People's Republic of China (PRC) on Government Procurement: Government procurement adopts the following methods: (1) public bidding; (2) Bidding; (3) Competitive negotiation; (4) Single source procurement; (5) asking; (six) other procurement methods identified by the procurement supervision and management department of the State Council municipal government. Public bidding should be the main procurement method of government procurement. Thirty-second government procurement projects with unified specifications and standards, sufficient spot supply and small price changes may be purchased by inquiry in accordance with this Law. Article 40 The procurement by inquiry shall follow the following procedures: (1) Set up an inquiry team. The inquiry team consists of representatives of the purchaser and relevant experts, with an odd number of more than three, of which the number of experts shall not be less than two thirds of the total number of members. The inquiry team shall stipulate the price composition of the purchased items and the criteria for evaluating the transaction. (two) to determine the list of suppliers to be inquired. According to the purchasing demand, the inquiry team determines at least three suppliers from the list of suppliers with corresponding qualifications, and sends an inquiry notice to them for quotation. (3) ask. The inquiry team asked the inquired supplier to quote a price that cannot be changed at one time. (4) Determine the supplier of the transaction.