1,J21S deep throat power press 2,used in punching, blanking, bending and shallow stretching 3,ISO 9001 J21S deep throat power pressJ21 series press is regular open-die fixed platform press, it is the main equipment of stamping sheet metal production, and can be used for punching,blanking, trimming, bending, shallow or deep drawing,molding and various cold stamping process,and widely be used in ...