Cold stamping processing refers to the use of stamping equipment (press) and die, so that a variety of different specifications of plate or blank material under pressure under the permanent deformation or separation, to make the required various image parts of a processing tool. In stamping, a special process equipment, called a punching mold (commonly known as a die), that processes the material into a part (or semi-finished product). The die is a special kind of craft equipment. The die has a "exact lying" relationship with the stamping part. The die has no universality. The die is an essential process equipment for stamping production, which determines the quality, efficiency and development capability of new products. The function and function of die, the design and manufacture method of die mold determine that the die is a technology-intensive, high value-added product.
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