1.Reliable control,easy adjustment and maintenance ,hydraulic power, air power or foot operation,Suitable for sheet processing ,Fast speed and high quality 2.holistic welding structure, with good intensity, rigidity and quake-proof; 3.novel structure, small volume, easy operation; 4.the strip speed is fast, and the notching quality is high; 5.meet the needs of notching processing for all kinds of hardware. Suitable to process various boxes,shell covers and etc for apparatus, appliance, light industry, machine tool industry.