... technical support after sale. 4.best price UPVC pipe making machine, CPVC pipe production line is economy,efficient and endurable, ... PVC pipe extrusion line/ PVC pipe making machine/PVC pipe production line:(a) Feeding machine(b) Conical double-screw extruder(c) ... tank(e) Hauling off machine(f) Printing machine(g) Pipe cutting machine(h) Pipe pile-up frame(i) Auxiliary machine such as feeding, belling ...