... metal frame unit, leveler grooving roller, notch and punch square machine, shearing machine Auto-line II consists of a metal ... feeding frame, levelling and grooving equipment, notching and punching square equipment, cutting equipment. The electrical control system uses a ... Coiler-aw material feeder-levelling and grooving equipmentNotch and punch square-cut metal for TDFCut metal for Duct Line II can ...