... according to customers drawings samples.OEM, ODM services offered.Mould core steel S45C, S50C, P20, S136, S136H, 718,718H, 2738, 2316, 2083 ... , 2311,NAK80, H13 , etcMould cavity Steel S45C, S50C, P20, S136, S136H, 718,718H, 2738, 2316, 2083 ...