Changzhou (Chinese: 常州; pinyin: Chángzhōu; Wade-Giles: Chang-chou, formerly romanized as Changchow) is a prefecture-level city in southern Jiangsu province of the People's Republic of China. It was also known as Yanling, Lanling, Jinling, and Wujin previo
http://en.wikipedia.org/wiki/Changzhou