Zacatecas, Mexico and Wuxi's Huishan district signed to become sister cities on November 3, 2014.
Davis, the United States and Wuxi's Huishan district signed to become sister cities on October 30, 2008.
Ratingen, Germany and Wuxi's Huishan district signed to become sister citieson May 14, 2007.
Toyokawa, Japan and Wuxi's Xinwu district signed to become sister cities on April 15, 2009.
Norwich, the United States and Wuxi's Binhu district signed to become sister cities on June 28, 2011.
Castelldefels, Spain and Wuxi's Binhu district signed to become sister cities on November 11, 2010.
Matsusaka, Japan and Wuxi's Binhu district signed to become sister cities on March 1, 2009.
