Established in 1995, Shanghai Jinhong Electromechanical Equipment Factory is a leading and professional manufacturer which produces various kinds of sheet-metal lock forming machines with double, triple and multi-functional, and also produces manual folding machine, Roller Bending Machine, punching and shearing machine, beading machine, cutting machines, etc at the very start. All of these products are used for heating, ventilating and air conditioning duct work., etc.