... 1,ISO9001 certified factory. 2,Professional manufacturer 3.OEM/ODM 6061 T6 aluminum pipe /aluminum tube 1,ISO9001 certified factory. 2,Professional manufacturer 3 ... )Extrusions 3)Window frames 4)Doors 5)Shop fittingsDescription:*Alloy: 6061, 6063*Surface Treatment: Mill - finish, Anodized, Electrophoresis, Powder Coating…*Color ...