... steel, steel alloy, aluminium alloy, and etc. 3. Process technics: Die casting--CNC--Deburring--Discontamination--Powder Spray Other technics available: CNC ... cutting, CNC grinding, casting, cold die casting, Tapping, Polishing, Sand blasting, Oil spouting, 4. Surface ... not intend to sell this product. www.jielimetal.com.cn Die Cast Aluminum Led Housing JL-CST-011