... application 2.powerful, Efficient ,CE 3.for holing ,for punching 4.high performance,easy operation Nameplate ... of stamping sheet metal production, and can be used for punching,blanking, trimming, bending ... in national defense, aviation, automobiles, tractors, motor, electrical equipment, instrument, medical equipment, daily ... ,315t,350t of pressing machine for your choice. J21S-100 deep throat punching ...