... aluminum alloy 2.Finish:powder coat,zinc plated elevator hardware sheet metal part1.Strictly quality control by 100% inspection2 ... ways. In addition to CE and BV mark of the products, we have won quality certificate in accordance with ... , moulds, auto parts, fifth wheel, lift platform, garage, hardware, crane partsMaterialcarbon steel, stainless steel, aluminum alloy, copperProcedurewelding,stamping, ...