This product series has four column type and the frame type structure, is equipped with the down stretching hydraulic pad, may realize the sheet metal stretching, the blanking (when has the buffer device), the bending, the flanging and so on the craft. The equipment has independent hydraulic system and electrical system, which can achieve adjustment, single cycle (semi-automatic) two working modes. In the press operation mode, it can be divided into three working states: hydraulic cushion cylinder does not work, stretching and anti-stretching. It is widely used in house appliances, kitchen utensils, light industry, automobile and other fields.