... Technology CE&ISO9001 Included Heat-Resisting,Pressure Resistance LongLife PP-R Pipe Production Line 1.Equipped with polyolefin purposed single-screw extruder, it ... high efficiency and so on.2.The specially designed co-extrusion die head is reasonable in flow channel, smooth in both ... 4.One unit servise several purposes. It can produce common PP-R, PE pipe, and PPR-AL-PPR with some extra machines.5 ...