Square Watertight Locking Composite Manhole Cover

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 Threaded with Specification DN20-DN150 ( 3/4"- 6" ) Working Pressure PN10. PVC Wafer Style Check Valve according to DIN Standard DN150-DN300 ( 6"- 12" ) Working Pressure PN6; PVC Foot Valve according to DIN, ANSI, JIS, BS Standard with PT & NPT Threaded with Specification DN20-DN150 ( 3/4"- 6" ) Working Pressure PN10; PVC Single ( Double ) Union Ball Valve DIN, ANSI, JIS, CNS Standard with PT & NPT Threaded with Specification DN15-DN100 ( 1/2"- 4" ) Working Pressure PN10 PVC Fittings for Water Supply according to DIN 8063 Standard PN10; SMC Composite Manhole Cover accord with BS Standard EN-124 1994 A15, B125, C250, D400 and AS 3996 Australia Standard; Hydraulic Gear Pumps & Motors, Slurry Pump Parts Series PERMCO Style Hydraulic Gear Motors and PERMCO Style Hydraulic Gear Pumps Warman' Style Slurry Pump Series and Spare Prts for Warman Style Slurry Pump Series Metal Valve Series Products: 1. Wafer Butterfly Valve DIN,ANSI,BS Standard. 2. Lug Butterfly Valve DIN,ANSI, BS JIS Standard. 3. Threaded End Butterfly Valve ANSI Standard. 4. Grooved End Butterfly Valve ANSI Standard. 5. Two Piece Butterfly Valve ANSI Standard. 6. U Flange Butterfly Valve DIN,ANSI,BS JIS Standard. 7. Flange Concentric Disc Butterfly Valve ANSI Standard. 8. Wafer Daul Plate Check Valve DIN, ANSI Standard.