Principal Offices in Japan
| Marketing & Sales | Marine Power System Business Division International Business Development & Sales Department 14-5,Sotokanda 2-Chome,Chiyoda-ku,Tokyo,101-0021 Japan TEL：+81-3-4366-1226/1227 FAX：+81-3-4366-1310 |
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| Power System Plants Business Division Business Development & Sales Department 14-5,Sotokanda 2-Chome,Chiyoda-ku,Tokyo,101-0021 Japan TEL：+81-3-4366-1256/1257 FAX：+81-3-4366-1310 TEL：+81-3-4366-1265 FAX：+81-3-4366-1324 (RE International Operations Department) |
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| Customer Support | Spare Parts Sales - International Operations 14-5,Sotokanda 2-Chome,Chiyoda-ku,Tokyo,101-0021 Japan TEL：+81-3-4366-1261 FAX：+81-3-4366-1343 |
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| Procurement | Toyosu IHI Building, 1-1,Toyosu 3-Chome, Koto-ku,Tokyo,135-0061 Japan TEL：+81-3-6204-7393/7394 FAX：+81-3-6204-8793 |
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| Ota Plant | 125-1,Nishishinmachi,Ota-city,Gunma,373-0847 Japan TEL：+81-276-31-8113 FAX：+81-276-31-8119 |
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| Niigata Engine Plant | 1300,Okayama,Higashi-ku,Niigata,950-0821 Japan TEL：+81-25-274-5115 FAX：+81-25-271-5825 |
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| Niigata Gas Turbine Plant | 2756-3,Higasiko 5-chome,Seiromachi,Kitakanbara-gun,Niigata,957-0101 Japan TEL：+81-25-256-3511 FAX：+81-25-256-3530 |
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| Niigata Foundry Plant | 1300,Okayama,Higashi-ku,Niigata,950-0821 Japan TEL：+81-25-271-1261 FAX：+81-25-271-5294 |
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| Subsidiary Company | NICO PrecisionCo.,Inc. 1095-1,Kawakubo,Minamiuonuma-city,Niigata,949-6603 Japan TEL：+81-25-772-3121 FAX：+81-25-772-3467 |
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