International project bidding refers to the way of international project contracting, that is, selecting an ideal construction enterprise through bidding. The scope of application of international competitiveness indicators is as follows:

(a) according to the source of funds, the implementation of international competitive bidding is mainly applicable to the following situations:

1. Projects with preferential loans provided by the World Bank and its affiliated institutions, the International Development Association and the International Finance Corporation;

2. Projects with aid loans provided by United Nations multilateral aid agencies such as the International Industrial Development Organization and regional financial institutions such as the Asian Development Bank;

3. Projects funded by some national foundations (such as Kuwait Foundation) and some governments (such as the Japanese Government);

4. Engineering projects invested by international consortia or several financial institutions;

5. Projects jointly invested by two or more countries;

6. Engineering projects that require the contractor to provide funds, that is, contracting with capital or delaying payment;

7. Engineering projects paid in kind (such as oil, minerals, fertilizers or other physical objects); 8. The contracting state has enough funds of its own, but it is unable to implement the project by itself.