70 FLAT OPEN DOORS AND WINDOWS
产品介绍 Product introduction
￭ Open windows are commonly used opening methods, widely used in villas, high-end real estate, hotels and other places. The insulation coefficient of the flat open window is insulated with a good insulation effect. The heat transfer coefficient U value of the whole window is less than 2.2 W/M
￭ The shape and style are changeable, and they can be used to open doors and Windows. The overall beauty is atmospheric. Adopt high seal, high heat insulation design, with good air tightness, sound insulation performance; Can be equipped with electric laminate glass, grid glass.