1.Factory with 10years professional experience 2.EAF/ESR+Forged +annealed +turned/grinded 3.UT : En 1921C/c mould steel HMD1Specialized tool steel(7CrSiMnV, ... CH, CH-1, Cr12MoV, 9Mn2V, CrWMn, GC15, T10A, CrSiMnMoV, HMD5, ... like: cars accessies, home appliances, electronic equipment plastic mould HMD-1 alloy tool steel