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| Business field | Marine transportation and related business |
| Address(region,country) | Idemitsu Shinjuku Bldg., 3-4, Okubo 2-chome, Shinjuku-ku, Tokyo 169-0072 Japan |
| Tel | +81-3-5286-0611 (Rep.) |
| Fax | +81-3-5286-0623 |
| e-mail, web-form |
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| Business field | Research and development, production and sale of synthetic plastic processed products |
| Address(region,country) | Shinkawa NS Building, 1-26-2, Shinkawa, Chuo-ku, Tokyo 104-0033Japan |
| Tel | +81-3-3537-8100 (Main number) |
| Fax | +81-3-3537-8120 |
| e-mail, web-form |
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| Business field | Manufacturing, sale and import/export of synthetic leather,containing natural organic fine powders, antistatic coating agents,antimicrobial agent,cosmetic materials. |
| Address(region,country) | SI Bldg. Aoyama, 1-3-6 Kita-Aoyama, Minato-ku, Tokyo 107-0061, Japan |
| Tel | +81-3-6844-2722 |
| Fax | +81-3-6844-5896 |
| e-mail, web-form |
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| Business field | Petroleum Development |
| Address(region,country) | No.2-5, Toranomon 2-chome, Minato-ku, Tokyo, 105-0001, Japan Kyodo Tsushin Kaikan Bldg. |
| Tel | +81-3-5575-0340 |
| Fax | +81-3-5575-0350 |
| e-mail, web-form |
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