... Easy Operation 3. Widely used in all kinds of industry Mechanical IronworkerI. Function Punching, Angle Steel Shearing, ... , steelworker, shearing machine, cutting machine, sheet metal punching machine, notching machine, guillotine machine, bending machine, ... , ironworks, steel punching machine, angle punching machine, steel ironworker, punching metal machine, heavy duty punching machine, c-channel ...