1) Specifications:We can supply various pvc windows. such as casement windows, sliding windows, tilt & turn windows, American and European pvc windows, etc. 2) Glass: We can supply single glass, insulated glass, tempered glass and Low E glass. 3) Hardware Fitting: excellent 4) Window screen available 5) Size: Any size is available 6) Colors: Any color is available 7) Good quality, with excellent performance 8) Light surface, reasonable construction, strict quality control