... technology 3.OEM&ODM service 4.Delivery on time Feature:1) Accord with human body engineering,comfortable,not easy to slide. 2 ... ) Special distribution with filter washer,increasing a protective barrier. 3) The surface of multi-layer ... Cavity,Core MaterialS130,2344,718H,S136,P21,CR12,S50C,DIN-1,NAK80,KD-61,ect4.Cavity QuantitySingle/Multi-cavity5.Plastic Part ...