... 4,PVC 5,CE PVC plasticized-tendon spiral reinforced pipe production linePVC plasticizied-tendon spiral reinforced pipes,also named ... resistance,negative-pressure resistance,antibending and fine liquidity.etc.applied to gas ,liquid and powder like etc,transmission.Mainly ... used in industry, agruculture ,building and irrgation and other fields.Unit is composed of: Extruder 2 ...