AJ49A single-layer big-hole aluminium alloy shutter sheet has the effective width of 49mm and patterned holes in, helpful for day lighting and ventilation. is mainly applicable to large-sized factory buildings and warehouses with the operative width not more than 2500mm.[...]

AJ33 double-layer small-hole aluminium alloy shutter sheet has the effective width of 33mm and small holes of 30mm*5mm at the hook, with the gap of 15mm. It, an upgraded product based on AJ37 and AJ47, increases the hole by 1.5 times, and decreases the distance between holes, more effectively in natural lighting and heat insulation of window, and can be used as a shade curtain.with the operative width not more than 3000mm.[...]

AJ39 single-layer big-hole aluminium alloy shutter sheet has the effective width of 39mm and big holes of 30mm*15mm at the hook, enough for day lighting and ventilation. The distance between holes is 30mm. The shutter sheets are mainly used for the theft prevention and heat insulation of balcony and window, and also used as shade curtains.with the operative width not more than 2500mm.[...]

AJ77A double-layer aluminium alloy shutter sheet has the effective width of 77mm. 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, 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 8,000mm.[...]

AJ100A double-layer aluminium alloy shutter sheet has the effective width of 100mm, the thickness between double layers of 22mm. 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, 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 8,000mm.[...]