... Quality Material Used 2.Custom Production 3.Wear-resistant 4.Bimetallic & Nitrided abs,pvc,pp,pe,pa conical twin screw and ... enhancing service. Our products:Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories(such as ... steelTechnology: nitrided treatment, alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS .etcDepth of Nitrated Layer: 0 ...