... metal machine metal partsRaw Materials304 Stainless steeladvantage1.the shelf life is 5 years ,never rusting2.any types of products we can ... , iron, high light aluminum and as your needs2. Surface treatment is mirror polishing, wire drawing, nickel plating ,spraying or depend on ... ,welcome to send drawing to get the quotation list5. Our deliver is usually 20 days for metal stamping parts ,and 30 days ...