... plastic raw materials and labor cost; 4: eliminate the subsequent process is beneficial to the production automation; 5: Enlarge the injection molding ... ,718,S136,8407,NAK80,SKD61,H13Hardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert use1.2767 HRCCavitySingle- ... will try our best to help you!Some informations of haikexun mould factory Our Main MarketRussia,Western European, North ...