Heat Shrinkable Tube Screw Barrel Zhoushan Hita Plastic Machinery Factory Base Info Standard：GBTechnics：MillingMaterial：38crmoaia Steel with NitridingPurpose：Recycle Mixed Plastic MaterialTrademark：HITAOrigin：Zhoushan Description Pre：80/156 Twin Conical Screw Barrel Next：Conical Twin Screw and Cylinder for PVC
