In 2018, Guiyang signed an MOU on friendly cooperation with Vicenza.
Guiyang built international cooperation with Hîncești in 2015.
Guiyang has been sister cities with San Francisco since 2015.
Guiyang has been sister cities with Cupertino in 2017.
Guiyang has been sister cities with Mariánské Lázně since 2016.
In 2018, Guiyang established friendly cooperation with Berkeley.
Guiyang has been sister cities with the city of Rio de Janerio since 2018.
Palmerston North, or "Palmy", is the 7th largest city in New Zealand.