In the early 1980s, Hefei had been established as one of "the four national science and technology bases" in China, and also had been ratified "The first national science and technology innovation pilot cities"、"the key cities for Revitalization Trade through science and education"、"Patent Work pilot cities"、" Manufacturing Information pilot cities"、"Information pilot cities", and so on. Hefei was also one of the World Technopolis Association (WTA) member cities. Hefei approved by the state as the only for the Scientific and TechnologicalInnovationPilotCities in 2004.