... quality , good price 2)free sample and fast Aluminum coil :1) Alloy: 1050, 1060, 1070, 1100, 3003, 3105, 5052, 8011 ... ok.Applicationaluminum coils for industrial material, mainly in air conditioner, Construction , aluminum ceiling, road traffic sign, decoration,cover material,piping, refrigeration, air conditioner ...