The city of Puerto Princesa City, Philippines, has been a sister city of Wuxi since October 30, 2007.
Nimes established a sister city relationship with Wuxi on October 30, 2007.
The city of Kortrijk, Belgium, established its sister city relationship with Wuxi on October 30, 2007.
The city of Gimhae, South Korea, has been a sister city of Wuxi since March 8, 2008.
The city of Vicenza, Italy, established a sister city relationship with Wuxi on October 16, 2006.
The city Leverkusen, Germany, established a sister city relationship with Wuxi on April 27, 2006.
Cascais, Portugal, and Wuxi became sister cities on September 14, 1993.
The city of Hamilton, New Zealand, established its sister city friendship with Wuxi on July 5, 1986.