... be used to extrude PVC,ABS ,PP,PC,PS and etc rigid pipe .trunking production line/pvc trunkingThis unit ... ,die(mould),vacuum calibration table,haul-off,cutter and etc .Main machine and haul-off adopt imported frequency inverter ,stainless steel ... calibrator ,traction speed steady, size accuse racy high, cutter adopts PLC control ,and ...