... shut480mmSlid surface330,450mmProcessing Obj.Metal etc.Weight8000kg Brief Introduction :J21 series press is regular open-die fixed platform press, it is ... can be used for punching,blanking, trimming, bending, shallow or deep drawing,molding and various cold stamping process,and widely be ... ,315t,350t of pressing machine for your choice. J21S-100 deep throat punching machine for metal sheet