Tangshan Renhe Hardware Tools Co., Ltd.
Sinopec Zhongyuan Petroleum Engineering Co., Ltd. Drilling Engineering Technology Research Institute
Senda Co. Ltd.
Dongguan Nifco Co. Ltd.
Wuhan Xingdi Technology Co., Ltd.
Yunnan Jinrun CNC Machinery Manufacturing Co., Ltd.
Weihai Donghai Shipyard Co. Ltd.
Fujian Zhongyoujun Building Materials Technology Co., Ltd.
Zamtec Ltd.
Nanchang Huada Feed Co. Ltd.
Nanjing High Precision Gear Group Co., Ltd.
Dong Fang International Container (Lianyungang) Co., Ltd.