PVC,PP,PE,PPR pipe Complete Production Line 1. High output/health 2. Reliable performance 3,best ... and external walls, and small in internal stress. Pipe diameter is among 20-160mm and production speed reaches to 16m/ ... external walls, and small in internal stress. 3.Pipe diameter is among 20-160mm and production speed reaches to 18m ... MACHINE+TRACTORstacker PVC,PP,PE,PPR pipe Complete Production Line