... fitting injection machine 2.with CE PVC ,PPR,PE,PVDF pipe fitting injection machine with CE1. PVC raw material is Amorphism ... very strictly control to PVC raw material temp, special Barrel surface with double spiral groove which is regard ... material, enlarge corresponding nozzle mouth, meanwhile enlarge Hydraulic motor as to enlarge screw torque. PVC ,PPR,PE,PVDF pipe fitting injection machine with ...