Tongli town. According to Baidu map, Wujiang Sanliqiao Daily Chemical Base is located in Tongli Town, Sanliqiao, Wujiang District, Suzhou, and its business hours are from 8 am to 6 pm. Li San Bridge, located outside the north gate of Songling Town, Wujiang District, Suzhou City, was built in the first year of Taiding in Yuan Dynasty and rebuilt in the 11th year of Guangxu in Qing Dynasty. The total length of the bridge is 54.5 meters, and the bridge deck width is 4.53 meters.