| Company name | Zen Chemicals Co., Ltd. https://www.zenchem.com |
| Location | Tokyo headquarters 3F Zen Building, 2-30-2 Taito, Taito-ku, Tokyo 110-0016 TEL: +81-3-3839-5861 FAX: +81-3-3839-5877 |
| Osaka office Yodoyabashi PREX 11th floor, 2-4-9 Hiranomachi, Chuo-ku, Osaka 541-0046 TEL: +81-6-6231-1005 FAX: +81-6-6231-1035 |
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| Founded | 1st February, 1978 |
| President | Jun Makino |
