Lanxi, Zhejiang and Zhangzhou are both what type of city?
Zhangzhou Zhangzhou, formerly romanized as Changchow, is a prefecture-level city in Fujian Province, China. The prefecture around the city proper comprises the southeast corner of the province, facing the Taiwan Strait and surrounding the prefecture of Xiamen. During the 2010 census, the entire area of Zhangzhou was home to 4,809,983 inhabitants. Along with the 1.9m people of central Xiamen, its urban districts of Longwen and Xiangcheng, together with Longhai, form a single metropolitan area of about 5 million people .
Port of Suzhou Port of Suzhou is the collective name of three ports around the city of Suzhou, Jiangsu Province, China. The three ports are located in Zhangjiagang, Changshu and Taicang, respectively, on the lower reaches of the Yangtze River. The total cargo throughput of 454 million tons in 2013. s of 2013 , it is the busiest inland river port in the world by annual cargo tonnage and container volume, as well as the sixth-busiest port by annual cargo tonnage. The majority of the port trade is in coal, ore, steel, and construction materials such as cement.