... 38CrMoAlA; SKD61; SKD11.etc. screw barrel for plastic injection moulding machine We ,Lucheng screw Machinery Factory, is one of ... type, shunt type, barrier type, the vacuum exhaust type, combined type, work type, speed type, etc.," is widely used in all kinds of rubber ... Layer: >2mmThe production of screw barrel type:1. injection screw barrel, injection Molding screw barrel,screw tips/screw nozzle ...