Shanghai Ruihua Group Co. Ltd.
Ningbo Shengda Intelligent Technology Co., Ltd.Zhejiang Sheng, China
Deyang Yiyou Metallurgical Equipment Manufacturing Co., Ltd.
Yancheng Weixin Electronics Co., Ltd.Jiangsu Sheng, China
Oppo Tiancheng (Xiamen) Optoelectronics Co., Ltd.Fujian Sheng, China
Top Glory Technology, Inc. Co.Shanxi Sheng, China
Power Well Services LP
Guangdong Electric Power Research Institute Energy Technology
Jiaxing Hengtai Metal Product Co., Ltd.
American & Schoen Machinery Co.Massachusetts, United States
710 Research Institute of China Shipbuilding Industry Corporation
Suzhou Little Giant Enterprise Management Co., Ltd.