|Japan||Hofu City in Yamaguchi Prefecture||Sister City||29 - Oct - 91||Sisterhood agreement|
|Higashichikuma District in Nagano Prefecture||Sister City||08 - Jun - 84||Sisterhood agreement|
|26 - Aug - 97||Agriculture / livestock / fisher industry exchange MOU|
|Kakamigahara City in Gifu Prefecture||Sister City||31 - Oct - 03||Sisterhood agreement|
|Ethiopia||Addis Ababa||Sister City||02 - May - 04||Sisterhood agreement|
|China||Hangzhou, Zheijiang Province||Friendly City||01 - Sep - 94||Friendly exchange agreement|
|Shenyang, Liaoning Province||Friendly City||14 - Nov - 98||Korea-China 21st century Knowledge Industry Technical Exchange Agreement|
|Dalian, Liaoning Province||Friendly City||28 - Mar - 01||Korea-China Knowledge Industry Technology Exchange Agreement|
|12 - Dec - 03||Friendly exchange agreement|
|Changzhou, Jiangsu Province||Friendly City||29 - Oct - 09||Creative animation industry cooperation|
Regular exchange in sports, students, youths, culture & arts, city council, hobby clubs, etc.
Regular exchange of agricultural training team.
Knowledge industry exchange, employee exchange, student sports exchange.
8 projects such as sending computers and fire trucks.
Leisure general assembly and economic and cultural exchange.
Knowledge information industry exchange.
Employee exchange, student exchange.
Economic exchange (animation industry)