... lock security OEM supplier for metal part punching,stamping,bending, welding ISO9001; ISO14000 Name School door lock security Item ... No. TP030816MaterialSECC, stainless steelProcessstamping,punching,bending,riveting Loading portShenzhen or HongKongPaymentT/T ; L/CMainly projectProduct of metal ... for confirmation 5.Make production Series of metal stamping part OEMOEM stamping part, custom ...