Jinji Lake Badminton Training Center. In Suzhou, Jinji Lake Badminton Training Center is the most famous and best trained. The training level is all first-class athletes, so it is Jinji Lake Badminton Training Center. Suzhou, called Gusu and Pingjiang in ancient times, is a prefecture-level city under the jurisdiction of Jiangsu Province. It is one of the important central cities in the Yangtze River Delta, a national high-tech industrial base and a scenic tourist city approved by the State Council.