United States ‧ City of Ontario, San Bernardino County, California
Japan ‧ Eniwa City, Hokkaido
Japan ‧ Miyazaki Prefecture
Socialist Republic of Vietnam ‧ Dong Thap Province
Commonwealth of Australia ‧ City of Logan, Queensland
Japan ‧ Tsukubamirai City, Ibaraki Prefecture
Republic of the Union of Myanmar
Japan ‧ Okinawa Prefecture
Japan ‧ Kagawa Prefecture
Czech Republic ‧ Brno
United States ‧ California
United States ‧ City of Lomita, Los Angeles County, California
Japan ‧ Shibayama-cho, Chiba Prefecture
Republic of India
United States ‧ Michigan
Japan ‧ Chiba Prefecture
Japan ‧ Narita City, Chiba Prefecture
Malaysia ‧ Selangor