Classification of project bidding

There are three kinds of bidding: goods bidding, project bidding and service bidding. 1. goods bidding: goods bidding refers to the bidding process for all kinds of goods, including raw materials, products, equipment, electric energy, solid, liquid and gas objects, and related auxiliary services. 2. Project bidding: Project bidding refers to the bidding process of various engineering construction projects such as industry, water conservancy, transportation, civil aviation, railway, information industry, housing construction, municipal infrastructure, etc., including various civil engineering construction, equipment construction and installation, pipeline line manufacturing and laying, decoration, etc. , and related auxiliary services. 3. Service bidding: Service bidding refers to the bidding process of any procurement object (such as consultation and evaluation, property management, finance and insurance, medical care, labor services, advertising, etc.). ) except for goods and projects. The types of non-bidding procurement usually include bargaining procurement, direct procurement, fixed-point procurement and inquiry procurement. 1. Bargaining purchase: refers to the purchase negotiated with a single supplier based on patents or specific conditions. Buyers and sellers bargain face to face, so it's called bargaining. 2. Direct procurement: the procurement method of directly signing a contract without competition in a specific procurement environment. 3. Fixed-point procurement: Fixed-point suppliers are determined through bidding, and the period is basically one year. 4. Inquiry procurement: also known as "shopping around", refers to a procurement method in which a procurement organization sends an inquiry sheet to relevant suppliers at home and abroad for quotation, and then compares the quotations to determine the winning supplier.