Introduction to Changzhou Beijing-Hangzhou Grand Canal: The Beijing-Hangzhou Grand Canal in Jiangsu has a total length of 628 kilometers and is divided into the North Jiangsu Canal and the South Jiangsu Canal. What passes through Changzhou is the Sunan Canal, which runs through Changzhou, Zhenjiang, Wuxi, Suzhou and other counties and cities with the most developed economy in Jiangsu.