Description::it is made of superior tooling steel which was processed by four axes high-precision machine controlled by computer, the tolerance can be reached at 0.01mm and 0.3mm of minimum gap. it is widely used by the die-cutting of electronic adhesive products, adhesive products, printing and packing products. with the special technology of heat-treatment and surface treatment, it makes the tool more superior with high-hardness, high wear-resistance and long-life. this kind of tool is the basis of all the rotary dies and the others are all made based on it.