HENAN QUANSHUN FLOW CONTROL SCIENCE & TECHNOLOGY CO.,LTD is a valve manufacturer with over 10 years experiences . specialized in manufacturing industry valve,such as semi-ball valve ,slurry valve ,bi-directional sealing butterfly valve ,special large butterfly valve ,ceramic valves ,ceramic pipes and elbows etc . QUANSHUN BRAND valves are widely exported to Turkey ,Iran ,united states,Pakistan etc ....