Zhangjiagang, formerly known as Shazhou,/kloc-0 revoked Shazhou County in September, 1986, and established Zhangjiagang City after Zhangjiagang, a natural harbor in China. Zhangjiagang is a new port industrial city, located at the intersection of coastal and Yangtze River Economic Development Zone. Zhangjiagang is one of the county-level cities with the strongest comprehensive strength in China, ranking among the top 100 counties in China for many years, and has made remarkable achievements in the fields of economy, culture, finance, commerce, exhibition, service industry and social construction.