... fitting injection machine 2.with CE PVC ,PPR,PE,PVDF pipe fitting injection machine with CE1. PVC raw material is Amorphism High Polymer ,the detail characters ... causes to reduce thrill and causticity gas. 2. Special design PVC screw for Injection molding machine to produce PVC pipe fitting, smaller ... enlarge screw torque. PVC ,PPR,PE,PVDF pipe fitting injection machine with CE