Gaomi Cheung Hop finishing Machinery Co., Ltd. Overview: the peaceful plant punch GB J21, J23 series mechanical pressure machine (punch), from 6.3T to 160T, complete series. The machine can be widely used for melting the material, punching, line drawing, forming, bending and other cold stamping process, the forging machine tool most widely used, popular and leading products. Details: the peaceful plant punch GB J21, J23 series mechanical pressure machine (punch) from 6.3T to 160T, complete series. The machine can be widely used for melting the material, punching, line drawing, forming, bending and other cold stamping process, the forging machine tool most widely used, popular and leading products.