Because stamping has such advantages, stamping processing is widely used in various fields of the national economy. For example, there are stamping processes in aerospace, aviation, military industry, machinery, agricultural machinery, electronics, information, railways, post and telecommunications, transportation, chemicals, medical equipment, household appliances and light industry. Not only is it used by the entire industry, but everyone is directly connected to stamping products. There are many large, medium and small stamping parts on planes, trains, automobiles and tractors. The body, frame and rim of the car are all stamped and processed. According to relevant survey statistics, 80% of bicycles, sewing machines, and watches are stamped parts; 90% of TV sets, tape recorders, and cameras are stamped parts; there are also food metal cans, steel boilers, enamel bowls and stainless steel tableware. All of them are stamped products using molds; even the hardware of computers cannot lack stamping parts.