- Zhuzhou Old Craftsman Precision Alloy Co., Ltd.
- Common Member
- Partner company:
- Baoji Minghai Titanium Industry Co.,Ltd
- Jiujiang Golden Egret Hard Material Co., Ltd
- Shandong Man Truck International Trading Co.,Ltd
- Wuxi Yuqiling Technology Co., Ltd
- Jiashan Ramshin Precision Machinery Co.,Ltd
- Hangzhou Jiang Technology Co., Ltd.
- SFR (Qingdao) Technology Co., Ltd.
- Mianyang Zhongyan Abrasives Co., Ltd
- Dongguan Hongsheng Metal&Plastic Technology Co., Ltd
- Qingdao Jobon Science&Tech Development Co., Ltd.