| Headquarters | Administration and Planning Chemicals Department | Yokobori Building 4-6-17 Koraibashi, Chuo-ku, Osaka 541-0043 |
TEL:+81-6-6220-8795 FAX:+81-6-6220-8799 |
| Functional Chemicals Department | TEL:+81-6-6220-8791 FAX:+81-6-6220-8799 |
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| Flocculants Department | TEL:+81-6-6220-8797 FAX:+81-6-6220-8799 |
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| Tokyo office | Functional Chemicals Department & Flocculants Department | E-1 Building 3-3-12 Nihonbashi, Chuo-ku, Tokyo 103-0027 |
TEL:+81-3-3231-6570 FAX:+81-3-3231-6574 |
| R&D Department | Inside the Sumitomo Chemical Osaka Works 3-1-98 Kasugadenaka, Konohana-ku, Osaka 554-0022 |
TEL:+81-6-6466-5410 FAX:+81-6-6466-5413 |
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| Technical Department | Production Department Osaka Works |
TEL:+81-6-6466-5414 FAX:+81-6-6466-5416 |
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