The city of Fes, Morocco, became a sister city of Wuxi on November 22, 2011.
The city of Fredericton, Canada, became a sister city of Wuxi on March 28, 2012.
The city of S-hertogenbosch, the Netherlands, established a sister city relationship with Wuxi on February 10, 2010.
The city of Chelmsford, England, became a sister city of Wuxi on November 26, 2009.
The city of Sorocaba, Brazil, became a sister city of Wuxi on October 18, 2010.
The city of Sihanoukville, Cambodia, has established a sister city relationship with Wuxi since July 29, 2009.
Wuxi became the sister city of Bycirklen Commonwealth on May 8, 2009.
The city of Sodertalje, Sweden, became a sister city of Wuxi on October 8, 2007.