PVC Pipe Production Line 1.we have exported to Ghana,Ethiopia ,Russia ... body part, reducing and driving part, distributing part, extruding system parts, dosing part, barrel cooling parts, constant temperature oil ... )Machine barrel cooling way: wind cooling(0.37KW×4SETS)(12)Machine barrel exhausting way: 3kw water circulate vacuum pump( ... screw refrigeration heat transfer oil PVC Pipe Production Line