... ,HYUNDAI auto for 6 years 2.shaping mould: plastic injection mould,1083 plastic molds we had made in all kinds ... mold ,three plates mold, hot runner system, accelerate ejector, hydraulic cylinder structure, gas assisted molding, screw core molding,over mold,multi-colours mold ... -52HRC420H1.231632-34HRCP41.234195-100HRCD21.237956-60HRCBeCu40-42HRC plastic injection molding process moulds machinery