Ting Sin Metal Company produces the quality billets in providing 2000/ 3000/ 6000/ 7000/ 8000 series billets and particularly specializes in 6000/ 2000/ 7000 series extrusion billet with diameter for 3. 5"/ 4"/ 4. 5"/ 5"/ 5. 5"/ 6"/ 7"/ 8"/ 9"/ 10", length from 500 mm ~ 5800 mm as per customer's requirement. Your inquiries with chemical composition would be highly welcome and appreciated. We look forward to your further inquiries.