| company name | ouken corporation |
| address | 163-1 kasuga-cho, takamatsu city, kagawa prefecture, 761-0101, japan |
| representative director | naotoshi yasumori |
| tel / fax | tel：+81-87-843-5500 fax：+81-87-843-5501 |
| established | march 26, 2002 |
| capital | 50 million yen |
| official website | https://ouken.com |
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