In the government procurement catalogue, single or batch purchases of less than 600,000 yuan, single or batch purchases of less than 500,000 yuan, and single or batch purchases of less than 200,000 yuan do not require bidding.

The amount of public bidding standard:

(1) Goods with a single or bulk purchase amount exceeding 600,000 yuan (including 600,000 yuan).

(two) the government procurement catalog single or bulk purchase amount reached more than 500 thousand yuan (including 500 thousand yuan) of the project.

(3) Services with a single or bulk purchase amount exceeding 200,000 yuan (including 200,000 yuan).