Fiberglass windows and doors is a new type following wood, steel, and aluminum, plastic material, not only have the same anti-corrosion, heat preservation and energy-saving performance, but also own unique performance. It is without expansion or contract under direct sunlight and cold climate; light weight and high intensity, no need metal reinforcement; long service life. Its combination property is better than other type of doors and windows. it is been called” green products” in 21st century because of the excellent features and beautiful appearance.
