Hitachi
Siemens
State Grid Yingda (Zhixin Electric)
Jiangsu Yangdian
Toshiba Transmission & Distribution Systems
CREAT
Sunten
CG Power and Industrial Solutions
TBEA
Eaglerise
TATUNG
Henan Longxiang Electrical
Howard Industries
Powerstar
Beijing Hezong Science&Technology Co. Ltd
Zhongjun Electric (Quanzhou) Co. Ltd.
Jiangsu Huachen Transformer Co. Ltd.
Guangdong Keyuan Electric Co. Ltd.
State Grid Corporation of China