This aluminum sliding window is a custom-made product. We can tailor it according to your architectural style and actual dimensions. The product offers two configuration options. The standard configuration is sufficient for daily basic usage. The materials are of high quality and it is a cost-effective choice. We also have better configurations available for upgrading. It uses higher-quality aluminum materials, with greater strength and better heat insulation and soundproofing effects. The window is equipped with double-pane tempered glass. The air layer in the middle effectively blocks sound transmission, providing excellent sound insulation and creating a quiet and comfortable private space for you. We also offer a five-year warranty service for this aluminum sliding window. During these five years, if the product has any non-human-induced quality problems, our professional after-sales team will respond promptly, leaving you without any worries. Moreover, the product holds a CE certificate, which is an authoritative certification that meets European safety, health, and environmental standards, proving its high quality, reliable safety, and allowing you to use it with peace of mind.