... of rubber raw materials, such as: PE, PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PR, UP, PEC, PF, VF ... factory.Our advantages:-screw and barrel for various models- We can produce diameter 15mm to 300mm screw and barrel- professional ebgineer design for you- thousands of ... , alloy coating spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcDepth of Nitrated Layer: 0.5-0.8mmHardness of ...