Prestressed Plastic Screw Machine / Prestressed plastic coil unit (produce round, flat tube) Professional manufacturer of Qingdao Road, Dahua Plastics Machinery Co., Ltd., prestressed plastic spiral pipe machinery / Unit 【produce round, flat tube advance】 stress plastic spiral pipe machine / unit is mainly used prestressed concrete indispensable HDPE plastic corrugated pipe equipment, mainly for highway overpasses, viaducts, railway bridges, concrete works, replacement of a different mold, to produce PP, PVC, EVA, etc. plastic corrugated pipe. Complete production line from the extruder, extrusion die, forming machine, cooling device, auxiliary traction machine, sawing machine, the composition of reverse units.
