Profile: Suqian Well Valve Co.,Ltd specializes in the production of cast iron series of valves, valve, closing valves, check valves and filters. We have valves in a variety of pressure, temperature, anti-wear type, corrosion resistance and security, widely used in petroleum, chemical, power, construction and pharmaceuticals. Our products include double disc check valve, y-strainer, swing check valve, NRS type resilient seated gate valve, wafer butterfly valve, thin wafer check valve, wafer double disc check valve and NRS resilent gate valve.