Alwew new design smart/automatic/electric sliding aluminium windows and doors/aluminum double glazed windows and doors on China WDMAProduct Description aluminium alloy windows and doors When designing aluminum doors and windows, our company's designers choose the standard window type as much as possible according to the different needs of the project, so as to facilitate the design, production, construction and reduce the product cost. At the same time, the design of the window type should consider different regions, environments and Building type, and meet the physical