1. Aluminium alloy pipe 2. Optional sizes 3. Optional surface treatments 4. Certificates: ISO9001: ... -T6Surface treatment: anodizing, electrophoresis, powder coated, sand blasting, wood grain, polishing, wood grainColors: silver, champagne, bronze, gold, black,sand, simulated stainless ... : 0086-539-5637138Mobile Phone: 013697818823Website:www.yishengalu.com Aluminium alloy pipe 6063