Chengdu Chuandian Switch Factory
Zhongming (Ningde) Technology Equipment Manufacturing Co., Ltd.
Schuster Gmbh
Beijing Wanglian DC Engineering Technology Co., Ltd.
Guangdong Lingfeng Group Co., Ltd.
Vossloh Schwabe Elektronik Gmbh
Guangdong Textile Architecture Design Institute Co., Ltd.
Yuxi Dahongshan Mining Co., Ltd.
Shanghai Fanzhenglong Steel Pipe Co. Ltd.
Xiamen Shuangrui Marine Paint Co., Ltd.Fujian Sheng, China
Zhejiang Zhongde Automatic Control Valve Co. Ltd.
Qinghai Pangu New Energy Technology Co., Ltd.