2021June 27th. According to official website, the project was officially started on June 27th, 20021year by the people's government of tinghu district, Yancheng. The total investment of Chengdong Gymnasium Project is about 350 million yuan, covering an area of about 12.68 mu, with a construction area of about 34,000 square meters. Including the main gymnasium, comprehensive training hall, badminton hall and other functional areas, which can accommodate 4000 people for sports activities at the same time.