Description

AJ**0A double-layer aluminium alloy shutter sheet has the effective width of **0mm, the thickness between double layers of *2mm. The design of unique noise-elimination leather lace between sheets well realizes the silence at motion. Thickened and widened aluminum alloy guiding groove reinforces the wind resistance of wide span door. It, as a good substitute for the old-fashioned factory building gate, is mainly applicable to large-sized factory buildings and warehouses. with the operative width not more than 8,**0mm.