Five percent. Official website of Nanjing Zheng Da Tianqing Company shows the proportion of recruitment information accumulation fund. Nanjing, referred to as "Ning", was called Jinling and Jiankang in ancient times. It is a prefecture-level city, a provincial capital city, a sub-provincial city, a mega-city and a core city of Nanjing metropolitan area under the jurisdiction of Jiangsu Province. It is also an important central city, an important scientific research and education base and a comprehensive transportation hub in eastern China as determined by the State Council.