... AgSnO22: OEM/ODM parts of Pressing Parts: Yes, Auto parts, engine parts, computer electronics.3: Process: punching ... welding, metal processing4: Applied software for specification drawings: Auto CAD, Pro/E, Acrobat5: Precision punch machine: 0 ... auto stamping and riveting assembly system.6: Surface finishes: Nickel/silver/gold plating. Polishing7: Products range: wall switch, relay, breaker, thermostat ...