タイトルまたは説明

AJ*7A double-layer aluminium alloy shutter sheet has the effective width of *7mm. The design of unique noise-elimination leather lace between sheets well realizes the silence at motion. Thickened and widened aluminum alloy guiding groove reinforces wind resistance of wide span door. It is widely used in villa garages, shops, factories and warehouses.with the operative width not more than ***0mm