according to customer's request ,about surface treatment ,whether or not quenching and so on ...The mould of product madeby ourselves . material:stainless steel,general steel... press from 5MT to 630MT high precision metal stamping design mould for customer with different finish treatment:polishing zinc... tooling way:stamping,bending,punching,welding,ect. OEM orders are welcomed,for any hinges inquiry. hinge,furniture hinge,cabinet hinge...