PVC Pipe, PPR Pipe, HDPE Pipe manufacturer / supplier in China, offering "Zhongcai® 20mm/25mm Rigid PVC Conduit IEC 61386 & UL 651 Certified Round Wire Duct for Cable Protection Flame Retardant (VO Rating) Bulk Electrical, Zhongcai® Pn12.5 SDR9 PVC-U Pressure Pipe 3/4′′ (20mm) DIN 8061 Certified for Cold Potable Water Systems German Engineering Compliance, Zhongcai® 600mm (24′′) PVC-U Pressure Pipe ISO 1452 & Awwa C900 Certified SDR35/41 for Water/Sewer Systems Bulk Municipal Project Supply and so on.