The Rolls Royce of Windows, Columbia System Windows, You Deserve it. ,rollsroyce, doors, windows

Columbia series is a broken bridge window and gauze fan integrated outward opening system window. The window and gauze fan integrated a simple style design and the frame and the inner fan flush, full of aesthetic feeling, threedimensional sense is stronger. At the same time, the gauze net is connected to the profile, which greatly enhances the impact resistance; ensuring the antimosquito effect and not affecting the indoor lighting. The heat insulation strip is designed on the same vertical line to achieve excellent waterproof sealing, soundproofing, and heat insulation performance.