... : 38CrMoAlA; SKD61; SKD11.etc. screw barrel for plastic injection moulding machine We ,Lucheng screw Machinery Factory, is one of the most ... , mutant, PM separation type, shunt type, barrier type, the vacuum exhaust type, combined type, work type, speed type, etc.," ... have now established stable business with lots of injection molding machine manufacturers like ChenHsong and Yizumi. For most of Chinese ...