... manufacture various micro-to-medium size plastic injection moulds and plastic parts for pneumatic component.The following is brife introduction of ... ,PVC,HDPE,EPDM,PPS,PPO,POM,nylon, etc. Mould material: high-quality alloy steel with heat treatment,wear ... ,EDM,CNC,full automatic injection machines and inspection equipments. 20-years-experience professional mould engineers also providing products ...