Sheet Metal Stamping Case: 1.Material:aluminum, zinc alloy etc 2.ISO9001:2008 3.Perfect surface finishing Detailed Description and Specifications:1. Custom ... : Stainless steel, steel alloy, aluminum alloy, iron metal and etc.3. Process Technics: Stamping, Punching, Polishing, Color-plated Zinc, Other technics ... sell this product.www.jielimetal.com.cn Sheet Metal Stamping Case JL-STP-004