... and enhancing service. Our products:Screws Barrels for Injection, Extrusion, and Blow Molding applications; relevant accessories(such as die ... steelTechnology: nitrided treatment, alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS .etcDepth of Nitrated Layer: 0.5- ... Measurement:The Reference Pictures of Screw Barrel abs,pvc,pp,pe,pa extruder machine twin screw and barrel