... type: OEM, ODM 5. Mould: in-house design and develop 6. Material: aluminum alloy 7. Surface treatment: powder coated grey ... :Cold & hot rolled Steel, Stainless steel, Galvanized steel, Aluminum alloy, Brass, Copper, Titanium, Iron, Nylon, Or according ... , TIG/MIG welder, resistance spot welder, threading machine and supportive machines lathe, sawing machine, drilling machines ,milling machines ...