... all kinds of rubber raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PR, UP, ... of drafts can supply for you- Professional Tech. and R&D team- Insist on developing screw and barrel for more injection and extruder machine models ... quality alloy steelTechnology: nitriding treatment, alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcDepth of Nitrated ...