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Sumiseki Holdings,Inc. imports, purchases, and sells coal in Japan. It also manufactures and sells artificial diamonds; and collects, processes, and sells crushed stones. The company invests in coal companies. Sumiseki Holdings,Inc. was incorporated in 2008 and is headquartered in Tokyo, Japan.
Name | Age | Since | Title |
---|---|---|---|
Komaki Nagasaki | 74 | 2008 | President and Representative Director |
Shozo Kakimoto | 78 | 2008 | Director |
Hiroshi Sakuma | 79 | 2009 | Independent External Director |
Yoichiro Imari | 70 | 2011 | Manager of Corporate Planning Department and Director |
Toshikazu Chinzei | 78 | 2011 | Independent External Director |
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