... good thermal fusion welding property.The product has become the first choice for gas conveying ... die head,sizing and cooling system,hauling machine,planet cutting device,and turning rack. ... screen LCD has complete alarming system,good Chinese interface,and is convenient to operate. ... 30800-1400750SJ45/28 HDPE,MDPE Large Diameter Water Supply Pipe,Gas Supply Pipe Large Diameter Pe Pipe extrusion line