Tianjin Runke Plastic Tech Co., Ltd:, as a member of group and a leading plastic manufacture in China, we can produce with our group as following: Plastic Valve & Fittings Series Product: PVC, FR-PP Butterfly Valve according to DIN, ANSI, JIS, CNS Standard with Specification DN50-DN500 ( 2"- 20" ) Working Pressure from DN20 to DN 200 ( 2"- 8" ) PN10 and DN200 ( 8" ), DN250 ( 10" ), DN300 ( 12" ) PN6; PVC Swing Check Valve according to DIN, ANSI, JIS, BS Standard with PT & NPT ...