1, the bidding forms are different. The bidding of engineering goods is generally clear, and detailed quotations can be made according to the engineering quantity. The bid evaluation method is mainly the lowest evaluated price method. In the service bidding, the target is not very clear, and the quotation is generally based on the national charging standard, and then the bidder makes the quotation according to the floating ratio below this standard.
2. The legal basis of bidding is different. The bidding basis of engineering goods is Government Procurement Law, People's Republic of China (PRC) Bidding Law and Measures for Bidding of Construction Goods.