برميل برغي الطارد لآلة نفخ الزجاجة Diameter Φ15mm-350mm Designing Screw structure and compression ratio can be designed according to different products & different output re quirement. Materials 38CrMoAlA (JIS SACM645) SKD61 Application Suit for HDPE , LDPE, LLDPE,PE and other special plastic recycling . Nitride Case Depth 0.5mm-0.8mm Technology ...