... we can supply high quality extruded aluminum bars and aluminum profile Extruded aluminum bars:National standard: GB/T3191-1998 Alloy: ... 1000, 2000, 3000, 5000, 6000, 7000 series Temper: H112 O F T4, T5, T6 Specification: 6 - 300mm ...Extruded aluminum bars with ... , GBT6892-1986Alloy: 1060, 1070, 6061, 6063 Temper: H112 O F T4, T5, T6 Specification: according to clients' requestsVarious aluminum pipes ...