I will provide you with a list of some provincial-level state-owned enterprises: Western Mining, Provincial Investment Group, Salt Lake Group, Xigang Group, Provincial State-owned Investment Management Co., Ltd., Provincial Water Conservancy and Hydropower Group, Provincial Road and Bridge Group Company, Provincial Sanjiang Group Company, Qinghai Energy Development (Group) Company, Qinghai Coal Industry Group Company, Aomigawa Jiangxi Company, Provincial Property Corporation, Provincial Automobile Transportation Group Company and Provincial Electromechanical Holding Company.
Central enterprises in Qingdao: Chinalco Qinghai Branch, Qinghai Electric Power Company, Upper Yellow River Hydropower Development Co., Ltd., China Fourth Engineering Bureau of Water Resources and Hydropower Co., Ltd., Qinghai-Tibet Railway Company, etc.
Of course, private enterprise groups also have strong strength, such as Qinghai Qinghua Group, Asia Silicon Group and Zijin Mining.
Qinghai Yuntianhua International Fertilizer Co., Ltd. is a subsidiary invested by Yunnan Yuntianhua Company (a state-owned enterprise) in Qinghai.