Based on the presentation of the general principles, the scope of application and the purchasing modes of the World Trade Organization Agreement on Government Procurement, in this paper, its influence on the public project purchasing by invitation to bid after China s entrance into Government Procurement Agreement is analyzed.

To pay attention to several links in the medical equipment tender purchase;

This paper has analyzed the feasibility of tender purchase by university libraries from the aspect of background,advantages,and standard of choosing booksellers.

Because of the large amount of the object and tenderers, we usually adopt the pattern of public bidding that is similar to first price sealed in government grain reserve.

Buying large amount experiment consumable materials in public bidding way can not only prevent from corruption, but also develop the biggest benefit of investment efficiently.