PVC PIPE & FITTINGS MORE+ PVC Water Supply Pipe Standard: GB/T 5836.1-2006, GB/T1002.1-2006, ASTM standard more call us PVC-U Sewer Pipe Standard: GB/T 5836.1-2006, GB/T1002.1-2006, GB/T20221-2006 more call us PVC-U Drain Pipe GB/T10002.1-2006 (ISO4422.1:1996); SCH40 & SCH80 more call us pvc well casing pipe Certification: ISO CE IAF more call us PVC-U Sewer Fittings Standard: EN 12201-3:2011,EN 1555-3:2010 more call us PVC Water Supply fittings Certification: ISO CE IAF more call us