... applicable for high speed extrusion of PP, PE, PB, PERT, ABS etc, PE Water/gas Supply Pipe Production Line 1) Qingdao Yonghuanxin Plastic Machinery ... for extruding of polyene materials of PE,PP,PB,PE-RT,ABS,PPR. 2) PE Water/gas Supply Pipe Production Line is of good exterior ... this large are often used as HDPE water supply pipes, natural gas supply pipes, in coal mines and other trenchless fields. In ...