With Japanese material, advanced vacuum heat treatment, advanced equipments and technic, the products get properties of high precision, good mechanical performance and long lifespen. Different materials can beselected. Mainly applied in forming and flange dies. and long lifespen. Different materials can beselected. Mainly applied in forming and flange dies.precise grinding, the products get properties of high precision,good wearability, perfect toughness and long lifespan.