Italy

Prato

1986-6-6

Japan

Takatsuki

1987-3-18

 Japan

Tokorozawa

1992-4-20

the Netherlands

Tilburg

1997-4-8

Mauritius

Beau bassin

1998-10-9

Australia

Hurstville City

1998-5-6

USA

 Rockford

1999-10-25

ROK

Namyangju

1999-9-21

Brazil

Caxias do Sul

2003-9-28

Finland

Satakunta

2008-10-30

Turkey

Eskişehir City

2009-09-27

Tanzania

Dar es Salaam

2009-09-27

USA

Buffalo City

2011-04-27

Poland

Jelenia Gora

2011-04-27

ROK

Chuncheon

2011-04-27

Belgium

Lommel

2012-03-28

Mexico

Tapachula

2013-11-28

Russia

Stavropol

2014-07-23

Denmark

Randers City

2014-10-06

Germany

Essen

2015-04-21

Brazil

Curitiba

2015-06-27

Germany

Minden

2016-05-26

Chile

La Serena

2016-06-01