Aluminum windows and doors have at least 10 different openings: Casement, awning, sliding, folding, and double hung windows... Aluminum Windows 1.Profiles: Any ... European standard style, with thermal break-energy saving and no thermal breaks. 5.Advantage: Air tightness, ... such as silver, champagne, stainless, brown, and golden etc. And our products powder coating, fluorocarbons coating, wooden color ...