Heat-insulated aluminum alloy doors and windows are also called heat-insulated broken bridge aluminum alloy doors and windows. It is an improved type introduced on the basis of old aluminum alloy windows to improve the insulation performance of doors and
Aluminum honeycomb core is laminated with multi-layers of aluminum foils by adhesive and then expanded into various sizes per customers' request,it is the central layer of aluminum honeycomb composite panels which is usually used for partitions, and the m