Qinghai Huadian Ferroalloy Co., Ltd.
Qinghai western lead industry co., ltd
Qinghai Qinghua mining co., ltd
Qinghai coal industry group co., ltd.
Qinghai province xihai coal-fired power co., ltd
Qinghai Qiaotou Aluminum and Electricity Co., Ltd.
Qinghai western aluminum development co., ltd
Mangya kangtai potash fertilizer development co., ltd