Servo double action cold forging hydraulic press machine          Hydraulic press machine for metal cold forging is one of our main products. It is use for cold extrusion molding and stamping for auto parts like gear and universal  joint, LED radiator and hardware tools, etc. It is shallow stretching and shaping for metal and nonmetal. The raw material should be sheet metal, iron, aluminum,  stainless steel. Here are some samples as below: