1.drain efficiently , security and long life 2.open instantly , convenient to use 3.easy to install, maintain and clean Production DescriptionProductThermal Aluminum WindowMain materialaluminum, number 6061 and 6063 are availableProfile thickness1.0mm to 2.0mmSurface treatmentmilling finish, adonizing, electrophoresis,powder coating, wooden grain,polishingColorOur company has a variety of colors, ...