Shanghai Binghang Industrial Co., Ltd.Shanghai Shi, China
Guanghong Construction Group Co., Ltd.Zhejiang Sheng, China
Guangzhou Yibo Environmental Technology Co., Ltd.Guangdong Sheng, China
Gérard Jean Louis Guillemot,
Pacesetter, Inc.California, United States
Guangzhou Xinyu Electromechanical Manufacturing Co., Ltd.Guangdong Sheng, China
Zhangjiagang Sand Engineering Technology Service Co., Ltd.Jiangsu Sheng, China
Shenzhen Jiancheng Plastic Industry Co., Ltd.Guangdong Sheng, China
Shanxi Pingyang Guangri Electromechanical Co., Ltd.
Xiamen Seehom Technology Co. Ltd.
CNPC Great Wall Drilling Engineering Co., Ltd. Engineering Technology Research InstituteLiaoning Sheng, China
Shin Sung