Sjzs PVC 45/90 Plastic Injection Conical Twin Screw Barrel Zhoushan Microwave Screw Machinery Co., Ltd. Base Info Model Number:Dia45/90-92/188mm:Brand Name:Microwave MachineOrigin:Zhoushan, Zhejiang, China Description Pre:Shopping Plastic Bag Making Machine Next:PE Plastic Extruder Machinery Steel Cylinder Liner