... be punched at the same time NCMX-302K busbar machine product Usage:this busbar machine is a professional equipment for busbar ... groove industry.Characteristics:1.It has three pumps,shearing,bending,punching unit cab work at the same time or respestively.2 ... and no bending mark.5.It has multifuction such as punching holes,shearing,bendinig,vertical bending,embossing,twisting,pressing cable joint ...