... part punching,stamping,bending, welding ISO9001; ISO14000 Name Hidden door lock home security Item No. TP030815MaterialSECC, ... assemble, and tooling of metal stampingOEM supplier specializing in product of metal stamping, assemble, and tooling ... or FOB HongkongQuality assuranceTechnicians self-check in productionEngineer spot check in productionQC inspects after mass production finishedInternational ...