The processing of metal stamping parts is a widely used processing method. In the process of metal stamping, which involves drawing, trimming, punching, flanging, opening and other processes, the processing of metal stamping parts is a widely used processing method. In the process of metal stamping, which involves drawing, trimming, punching, flanging, opening and other processes, the processing of metal stamping parts is a widely used processing method. In the process of metal stamping, which involves drawing, trimming, punching, flanging, opening and other processes, the processing of metal stamping parts is a widely used processing method. In the process of metal stamping, drawing, trimming, punching, flanging and opening are involved.