Wuxi Konstant Power Tech. Co., Ltd.
Anhui Mingzhu Steel Tower Engineering Co., Ltd.Anhui Sheng, China
Shandong Provincial Geological Survey Institute (Mineral Exploration Technical Guidance Center of Shandong Provincial Department of Land and Resources)
Changzhou Qingzhong Fan Manufacturing Co., Ltd.Jiangsu Sheng, China
Fushun Mechanical Equipment Manufacturing Co. Ltd.Liaoning Sheng, China
Xi'an Sefu Energy Technology Co., Ltd.Shaanxi Sheng, China
Shandong Jinzhou Kerui Energy Saving Technology Co., Ltd.Shandong Sheng, China
Shanxi Tongcai Industry Trade Co. Ltd.
Jiangsu Ruiyang Lighting Electrical Equipment Co. ltd.Jiangsu Sheng, China
Shanghai Fangzhan Fire Technology Co., Ltd.Shanghai Shi, China
Nanpi Railway Signal Equipment FactoryHebei Sheng, China
Changshu Hengshida Electric Co., Ltd.Jiangsu Sheng, China