High Efficient High Speed Screw Barrel Zhoushan Hita Plastic Machinery Factory Base Info Standard:GBTechnics:MillingMaterial:38crmoaia Steel with NitridingPurpose:Recycle Mixed Plastic MaterialTrademark:HITASpecification:100 120 150Origin:Zhoushan Description Pre:100mm Blow Mould Machine Screw Barrel Next:Shunt Type Screw for Plastic Extrusion