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 .
Taixing Taixing () is a county-level city under the administration of Taizhou, Jiangsu province, China. It is located in the Yangtze River Delta, bordering the prefecture-level cities of Nantong to the east, Changzhou to the southwest, and Zhenjiang to the west. It is a newly developed coastal industrial city. The area of Taxing is 1253 square kilometres and the population is 1.29 million.