How can Nanjing Jiangning have so many services?

There is a great demand for work. Jiangning District, one of the eight main urban areas in Nanjing, is located on the south bank of the lower reaches of the Yangtze River, bordering Jiangsu and Anhui in the southwest, Qixia District and jurong city in the east and Lishui District in the southeast. Most of the labor services in Jiangning, Nanjing are caused by the great demand for work. Labor intermediary organizations are those that provide human resources for organizations.