Shijiazhuang Top Pipe Industry Co.Ltd as a world leading producer of HDPE pipe ,HDPE fitting ,PVC Pipe ,PVC fittings.CPVC pipe , CPVC fitting ,HDPE Double Wall Pipe,PP compression fitting,Clamp Saddle ,Valve and other material pipes and fittings.'Top-Pipe' Products mainly used in water supply system ,drainage system and industry system .Top Pipe's HDPE Pipe&Fitting Produce standard is ISO4427.All offer size from 16mm to 1800mm , Working pressure from PN4 to Pn20 ;HDPE Double wall pipe offer size from 110mm to 2400mm ;CPVC pipe & fittings size from 1/2" to 24" based on SCH40 and SCH80 ;PP Compression fittings full size from 16mm to 110mm including PN16 & PN10; from All products in TOP-PIPE required under the ISO9001 and CE certification .Based on 'top quality & top service',we sincerely hope to be your reliable and long-term partner.'Top Pipe' is your final choose.