Sister/Friendship cities
- Classification : Sister city
- Nation/City : Taiwan/Taoyuan
- Date of Establishment of the Relationship : September 7, 2016
- Classification : Sister city
- Nation/City : Japan/Otsu
- Date of Establishment of the Relationship : April 12, 1990
- Classification : Sister city
- Nation/City : Kyrgyz Republic/Bishkek
- Date of Establishment of the Relationship : August 14, 1991
- Classification : Friendship city
- Nation/City : China/Shenyang
- Date of Establishment of the Relationship : June 23, 1997
- Classification : Sister city
- Nation/City : China/Changsha
- Date of Establishment of the Relationship : October 19, 1998
- Classification : Sister city
- Nation/City : Mexico/Mexicali
- Date of Establishment of the Relationship : November 19, 1998
- Classification : Sister city
- Nation/City : Netherlands/Eindhoven
- Date of Establishment of the Relationship : November 17, 2003
- Classification : Cooperative City
- Nation/City : USA/Houston
- Date of Establishment of the Relationship : November 3, 2008
- Classification : Friendship city
- Nation/City : China/Guang'an
- Date of Establishment of the Relationship : August 13, 2012
- Classification : Friendship city
- Nation/City : China/Weinan
- Date of Establishment of the Relationship : November 17, 2014
- Classification : Friendship city
- Nation/City : China/Yiwu
- Date of Establishment of the Relationship : May 12, 2016
