... treatment process with fluorocarbon spraying, oxidation, chrome, plating, polishing and other processes, we can professionally produced aluminum industrial profiles, processing ... aluminum alloy aluminum alloy doors and windows are often used, sliding, flat open, folding, awning ,turn and tileand so on.Your CAD ... make the new mould for you in 10 days,and send you sample in 20 days. Aluminum extrusion