Conical Twin Screw and Cylinder for PVC Zhoushan Hita Plastic Machinery Factory Base Info Standard：GBTechnics：MillingMaterial：IronTrademark：HITAOrigin：Zhoushan China Description Pre：Heat Shrinkable Tube Screw Barrel Next：90mm LDPE Single Screw Barrel for Extrusion Cooling Groves for Surface
