... metal production, and can be used for punching,blanking, trimming, bending, shallow or deep drawing,molding and various cold stamping process ... for 10t, 16t, 25t,40t,63t, 80t ,100t ,125t ,160t ,200t,250t,315t,350t of pressing machine for your choice. J21S-100 deep ... throat punching machine for metal sheet