... parts1)The Hing is mainly used as Base of TV,LCD Monitor, etc.2)Certification: ISO16949, ISO9001, ISO140013) Quality control: 100 ... inspection; Coating thickness tester,Roughness testerGo /Ungo Gauge, Sault spray testing machine, Hardness tester4) Surface treatment: Zinc, Zinc with Trivalent chromate ,Yellow ...