-
Huaneng Yushe Power Plant, Shanxi Province -
Iron District Maintenance Shop, Automation Department of Laiwu Iron & Steel Co., Ltd -
Engineering Department of Datang Yungang Thermal Power Co., Ltd, Shanxi Province -
Chunhui Green Energy Co., Ltd, Zhejiang Province -
Shifeng Cement Co., Ltd, Shaanxi Province -
Tangshan Jiujiang Iron and Steel Co., Ltd