... pipes produced by this line have features of high temperature resistance, resistant to corrosion and abrasion, high intensity, good flexibility, ... etc. This pipe has large market.This corrugated pipe extrusion line mainly contains Extruder, Corrugated Forming Machine, Mold Blocks, ... diameter single wall corrugated pipe.Extruder: It has high speed high efficiency screw, hard gear surface, FUJI invertor. ...