... defective products, improve product appearance and quality. 3: save plastic raw materials and labor cost; 4: eliminate the subsequent process is ... cavity insertDIN2312,2738,2344,718,S136,8407,NAK80,SKD61,H13Hardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert ... We will try our best to help you!Some informations of haikexun mould factory Our Main MarketRussia,Western European, North ...