... ISO14001 certified. 2. New aluminum ingot used. 3. GB5237 standard. 4. Easy installment. thermal-break profile, heat seperate profile, aluminum extrusion, aluminum ... coating, mill finish.2. Aluminum alloy 6061, 6063, 6063A, etc.3. Temper: T4, T5, T6.4. Production capacity: 100,000 tons ... paper,pallets,steel rack or as per client's demand thermal-break profile