All kinds of engineering construction projects within the scope specified in Articles 2 to 6 of these Provisions, including engineering survey, design, construction, supervision and procurement of important equipment and materials related to engineering construction, must be subject to tender if they meet one of the following standards:
1, the estimated price of a single construction contract is more than 2 million yuan;
2, the procurement of important equipment, materials and other goods, the estimated price of a single contract is more than 6,543,800 yuan;
3, survey, design, supervision and other services procurement, the estimated price of a single contract is more than 500 thousand yuan;
4. The estimated price of a single contract is lower than the standards specified in 1, 2 and 3, but the total investment of the project is more than 30 million yuan.
In addition, for financial capital projects, government procurement stipulates that more than 300,000 yuan should be invited by public bidding.