1. Mechanical Steelworker 2. Fast speed, Easy Operation 3. Widely used in all kinds of industry Mechanical IronworkerI. ... , Iron worker, steelworker, shearing machine, cutting machine, sheet metal punching machine, notching machine, guillotine machine, bending machine, ... punching machine, angle punching machine, steel ironworker, punching metal machine, heavy duty punching machine, c-channel cutting ...