Sheet Metal Stamping Case: 1.Material:aluminum, zinc alloy etc 2. ... can process: Stainless steel, steel alloy, aluminum alloy, iron metal and etc.3. Process Technics: Stamping, Punching, Polishing, ... , prompt delivery and excellent after-service.Kind reminder: Metal parts are manufactured in compliance with customer's designs. ... this product.www.jielimetal.com.cn Sheet Metal Stamping Case JL-STP-004