... Tempered/Enforced Glass, Low-E GlassHardware SystemChinese Brand (KINLONG) or German Brand (ROTO). Customers' stipulated brand is available.Seal ... .Products & Service1) Can be used for new construction, remodeling or complete window replacement. Such as bedroom, kitchen room, bathroom, ... convenient remounted and carried. Other windows and doors aluminum up and down sliding windows with grids