Shenhua Ningxia Coal Industry Group Co., Ltd.
Ningxia electric power company
China Oil and Gas Company Limited
Ningxia refining and chemical branch
Northwest bearings co., ltd
Yinchuan Tong Jia Great Wall Tire Co., Ltd.
Ningxia Northwest Niu Ben Industry Group Co., Ltd.
Ningxia dongfang nonferrous metal group co., ltd
Ningxia Yinglite chemical co., ltd.
Ningxia hengli wire rope co., ltd
Ningxia dam power generation co., ltd
Qingtongxia aluminum group co., ltd
Ningxia beautiful paper industry co., ltd