... , battery, GPS, toys, electronics, etc. <2> our available material can be copper, brass, bronze, steel, carbon steel, cold/hot rolled steel ... ,SPCC, SECC, aluminum, etc. <3> our available surface treatment could be zinc/nickel/chrome printed, coated, carved, plated, anodized, oxidated, etc ... and product, plz feel free to contact with me and i'll be happy to work with u !