aluminium sliding window. 1) Available in any sizes as per your needs and elegant, economical and popular use 2) Surface treatment & color: Powder coating, anodizing, PVDF coating, Electrophoresis, mill finished, wooden coating, etc, and all colors depend on Buyers requirement. 3) Window frame: aluminium Thickness: 1.4mm~1.6mm 4) Glass: single or double. Window screens are available. 5) Hardware: made in China, of high quality