... with mill finish , powder coating and anodizing surface treatment. aluminium fence 1)Material : 6063 6061 6060 and different aluminium alloy2)Status ... electrostatic golden, electrostatic titanium , machine polish sliver, machine polish bronze, wooden grain color, and Fluorocarbon spraying.4)Annual capacity : 120000TON5)Quality ... TOP BRAND, ISO9001-2000, CHINA SQUARE&ROUND COMMITTEE DNV aluminium fence