... RKC temp. controller; Siemens components, etc PVC/WPC profile co-extrusion line is one of our main products, which has the ... advantages of high stability, better capacity at reasonable consumption. The profile extrusion line includes extruder, vacuum calibration machine, haul-off & cutter, ... barrel are from Jinxing company, which is the best one in China, the speed reducer is from Jiangyin company, etc. ...