... ,Website:http://www.everlastingdg.com, Carbon steel, Aluminum alloy, Copper alloy, etc. 2.Surface treatment: painting, electroplating, ... EQUIPMENTPrecision machining1.Material: Stainless steel, Carbon steel, Aluminum alloy, Copper alloy, etc. 2.Surface treatment: painting, electroplating, ... inspection facility:1.Salt Spray Tester2.CMM3.Profile Projector4.Surface roughness Tester5.Humidity Tester6. ...