... improvement, nitriding, grinding, and polishing. The company can make the screw cylinder made of GH113 Nickel-based alloy which can also ... sets, and customized Φ30-150 extruding equipments. MeanwhileDouble screw and barrelParallel twin screw and barrel typeφ40/2φ50/2φ65/2φ80 ... /2φ200/2 Max L/D:1/36Compressing rate of screw can be designed according to different raw materials and product ...