... barrel for injection 2.Material:38CrMoAIA,SKD61 3.Suit for pvc pipe,film,sheet,cable.. 4.Long worklife Single Screw Barrel for Injection moulding machine ... updating design and enhancing service. 2 Our products:Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories(such as ... provide competitive price, We Emphasis On Cooperation. Single Screw for injection machine