- Suzhou Frick Flow Technology Co., Ltd.
- butterfly valve, penstock, gate valve, check valve, gear box, penumatic actuator, ball valve.
- Address:Niannian Road, Suzhou, Jiangsu Province, China
- Shanghai Ropo Automation Control Systems Co., Ltd
- penumatic actuator / valve.
- Address:longju road, shanghai, shanghai, China
- ALL TORQUE COMPANY
- penumatic actuator, manual gear operator, stainless steel valves.
- Address:Ouhai, Wenzhou, Zhejiang, China
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