| Mar. 9, 2012 | Report 『41st INTERNEPCON Japan 2012』 exhibition in Tokyo. |
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| Jan. 6, 2012 | Kao joins 『41st INTERNEPCON Japan 2012』 exhibition in Tokyo. |
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| Sep. 11, 2011 | Kao made a presentation in JCI Annual Convention 2011 at Osaka International Convention Center. |
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| July. 11, 2011 | Kao Participated in China-Japan Green Expo 2011 |
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| May. 20, 2011 | Kao to Run a Booth at China-Japan Green Expo 2011 |
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