Recently, the world's largest single-aperture 500m radio telescope has been completed in Guizhou. It is formed by 4450 reflection units with total area of 250,000 m², equivalent to 30 football fields. If analyzing this project according to building structure standard, it will undoubtedly be seen as a huge steel FAST system. Its ring beam, cable networks and six support Cabin towers are made of more than 10,000 tons of steel, aluminum reflector panels use up more than 2000 tons.