... making machine 1.180-500kg output 2.16-630mm water pipe 3.high speed 12m/min 4.PLC control system PVC pipe making ... , vacuum sizing platform, tractor, cutting machine, stacker, etc. The conical (parallel) double-screw extruder and tractor adopts AC frequency control or ... property of the production line is reliable and the output is high.In accordance with different requirements of the clients, the ...