Tianjin and Mississauga are friendly associated in September, 1997.

Mississauga is a city in Southern Ontario located in the Regional Municipality of Peel, and part of the Greater Toronto Area. With a population of 668,549 as of the 2006 census in the total area of 288.42km2, it is Canada's sixth-most populous municipality.

Mississauga is home to foreign-born people who come from all corners of the world. In 2006, the top five countries of birth of recent immigrants there were India, Pakistan, the Philippines, the People's Republic of China and South Korea. This pattern of migration is reflected in the diversity of the communities in Mississauga.Mississauga has been trying to create a distinctive image for itself over the past few years. An international architectural design competition was held in 2006 for a 56-story condominium tower that is intended to be a landmark for the city named Absolute World. The city is debt-free and has not borrowed money since 1978. With five major highways passing through the city, Mississauga offers access to major destinations in Canada and the United States. In addition, most of Toronto Pearson International Airport, Canada's busiest, is located in the city. Residents of the city are called Mississaugans. Mississauga also boasts one of the largest corporate/financial districts in Canada with major international companies having their Canadian headquarters located in the region including Hewlett-Packard, Microsoft, Pepsico, General Electric, Heidelberger Druckmaschinen, Fujitsu and Wal-Mart Canada, among many other Fortune 500 companies.