... ,bending, welding ISO9001; ISO14000 Name School door lock security Item No. TP030816MaterialSECC, stainless steelProcessstamping,punching,bending,riveting ... assemble, and tooling of metal stampingOEM supplier specializing in product of metal stamping, assemble, and tooling of metal ... metal stamping, assemble, and tooling of metal stampingHistoryWe product a series of metal sheet part for 8 ...