... :steel,stainless steel, aluminium, brass,2. Specifications:according to drawings and samples(OEM offered)3. Surface Treatment: Zinc plated,nickel plated ... ,chrome plated,hot-dip,galvanized or others5. Certification:ISO 9001,ISO140014. Packing:bubble ... your trusted behind-the-scenes partner in your business. OEM High Quality Metal Stamping