PVC Pipe, PPR Pipe, HDPE Pipe manufacturer / supplier in China, offering Gso Certified 50mm UPVC Pipe - UV Stabilized for Tropical Irrigation & Drainage Systems, Zhongcai CPVC Pipe Fittings ASTM D2846 - NSF Certified for Hot/Cold Water Supply Systems, Zhongcai UV-Resistant PVC Well Casing Pipe - NSF/ANSI 61 Certified for Borehole 50-200mm (Threaded/Socket Ends) and so on.