... . 3. 1 week sample for stamping 4. 14 years specialized OEM copper turning parts:Material: brass ,steel, Iron, copper, aluminumFinish: plating ... machine, lathe ,cold forming machine, deep drawn machineApplication Industry: auto, lighting, switch, LED, Furniture, electricsMain clients: Honeywell, EmersonCertificate: ISO 2008-9001 ...