- Quality (Shandong) Industrial Automation Co., Ltd
- Valves, Ball Valve, Gate Valve, Globe Valve, Check Valve, Butterfly Valve, Filter, Steam Trap Valve, Exhaust Valve, General Valve
Shandong
- Nanjing Zhongxun Pipeline Equipment Co., Ltd
- Valve, Ball Valve, Butterfly Valve, Gate Valve, Globe Vave
Jiangsu