Zhengzhou Xinyuan information technology co., ltd. cooperation unit

Directly under the authority central procurement center e-procurement system contractor.

The State Council central government procurement center auxiliary bidding system contractor.

The Ministry of Finance examines the contractors of expert supervision system.

Construction unit of electronic procurement system of China Development Bank

China Life Insurance Company Online Procurement System Contractor

National Meteorological Administration e-procurement system contractor

Shenhua Group Electronic Procurement System Contractor

The contractor of electronic procurement system of Shuanghui Group