... 2008, SGS 2.Material: magnesium 3.Surface: sand -blasting precision casting magnesium1, Magnesium die casting 2. SGS Factory Audit , ... design, Novel structure, High precision, Quality materials, Long lifetime, Short delivery time EquipmentsCNC precision mould engraving machine, CNC forming ... -v8, Solidworks etc.Quality certification SGS. ISO9001-2008 precision casting magnesium for lamp shade