Brief:Sunroom Key points Energy Efficient Thermal Barrier, Tailored Customization, Modular Flexibility, All-Weather Resistance, Optimal Light Transmission Benefits The aluminum alloy square tube featuring a sleek appearance by concealing screws within its structure. The thermally-insulated aluminum sun room does not require welding and can be disassembled and assembled many times. The thermal conductivity of broken bridge aluminum profile is half that of ordinary steel, and can enhance the thermal insulation by 30%.