... for window 1.material:aluminium alloy 6061,6063 2.processing according to your drawings ... the sizes of each profile.Usually 1 tons 1, Color: Silver, Champaign, Bronze, Golden,Black, Red, Green......etc.2 ... , Measurements and tolerance: high precision grade3, Thicknesses: above 0.8 MM or Customized ... And reply you as soon as possible. Aluminum alloy profiles for window