... (A,B plate 1730,2311,2312,P20 ), etcMaterial main core and cavity insertDIN2312,2738,2344,718,S136,8407,NAK80,SKD61 ... ,H13, etcHardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert use1.2767 HRCCavitySingle-cavity ,Multi-cavityA surface ... TPU.Amost all of our factories pass ISO9000, TS16949. Our core management team has rich experience and deep understanding of rubber ...