1.Five layers PE(PE-X,PPR,PE-RT),STEEL,PE 2.OHSMS,R. ... 1.Raw material:PE(PE-X,PPR,PE-RT)& Steel2.PE(PE-X,PPR,PE-RT) STEEL PE pipe ... from 20mm to 200mm 3.This PE(PE-X,PPR,PE-RT)-STEEL-PE composite pipe is widely use ... ;OHSMS;R.I.SO9001 Certificates verify,PE(PE-X,PPR,PE-RT) STEEL PE pipe is in top quality ... 00.5/0.87.Psp pipe for industrial cables bushing's specification:Dn(mm)Pipe Wall Thickness(mm)Working ...