City (District) |
Country |
City |
Date |
1988.7 |
|||
1998.3 |
|||
1993.4 |
|||
1997.6 |
|||
1999.4 |
|||
2000.9 |
|||
2003.9 |
|||
2007.6 |
|||
2010.7 |
|||
2012.10 |
|||
Canada |
2015.12.15 |
||
Huai’an District |
Japan |
1995.10 |
|
Japan |
1999.11 |
||
Xuyi District |
Canada |
2012.6 |