What are the provincial procurement agencies of Gansu Provincial Government Procurement Network?

Gansu Provincial Government Procurement Center, Gansu Provincial Organs Administration Bureau, Zhonghaijian International Bidding Co., Ltd. (Grade B), Gansu Provincial Bidding Center (Grade A), Gansu Machinery International Bidding Co., Ltd. (Grade B), Gansu Communication Industry Engineering Supervision, Lanzhou Zhengze Bidding Agency, Gansu Zhao Xi International Bidding Co., Ltd. (Grade B), Gansu Haoyuan Engineering Cost Consulting Co., Ltd. (Grade B), Lanzhou Jinli Bidding Agency Co., Ltd. (Grade B), Gansu Zhongjing International Tendering Company (Grade B), Lanzhou Liyuan Construction Project Tendering Company (Grade B), Gansu Jincheng International Tendering Co., Ltd. (Grade B), Gansu Ye Lan Construction Supervision Co., Ltd. (Grade B), Lanzhou CITIC Tendering Co., Ltd. (Grade B), Gansu Guohe Tendering Co., Ltd. (Grade B), Gansu Zheng Xin. Gansu Middle East Engineering Tendering Co., Ltd. (Grade B), Lanzhou West Investment Consulting Co., Ltd. (Grade B), Gansu Mingsen Engineering Consulting Co., Ltd. (Grade B), Gansu Sunshine Procurement Tendering Agency (Grade B), Gansu Zhao Zhong International Tendering Co., Ltd. (Grade B), Gansu Lin Xia International Tendering Co., Ltd. (Grade B), Gansu Zhongzheng Tendering Co., Ltd. and Gansu Jinzhong International Tendering Co., Ltd. (Grade B).