1)material:Al 6061-T6 2)finish:Anodized (Black) ANODIZE-MIL-A-8625F, Type II - Class 2 3 ... Aluminum, Carbon steel, Stainless steel,Brass, Titanium alloy,Tungsten steel ,POM, etc .Surface treatmentPolishing, Powder coating, Spraying, Anodising, Zinc Plating ... distributor. keywords: two part electronic cigarette , cigarette cartomizer parts black easy-carried presion electronic cigarette parts wholesale