- Winner Ball Valves Co., Ltd.
- Common Member
- Top company:
- Shandong Qidi Co., Ltd.
- Zhaoqing Bangda Trading Co., Ltd.
- Yueqing Jiuhong Electric Co., Ltd.
- Wenzhou Qiaosen Pneumatic Co., Ltd
- Hailin Industrial & Development(Shanghai) Co., Ltd.
- Changsha Hongreat Automation Technology Co., Ltd.
- Nantong Yono New Material Co., Ltd
- Cangzhou Kaibang Industry & Trade Co.,Ltd
- Zhuji Fengfan Piping Co., Ltd.
- Xingtai Haikuo Machinery Manufacturing Co., Ltd.