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Contact points for mail inquiries

| Postal code | Address | Building name | Phone | Fax | |
|---|---|---|---|---|---|
| Head Office | 108-0073 | 13-16, Mita 3-chome, Minato-ku, Tokyo | Mita 43MT Bldg. |
03-5441-9100 (top pilot no.) 03-5441-9140 (product inquiries) |
03-5441-9105 |
| Hokkaido Sales Office | 060-0807 | 1-2, Nishi 1-chome, Kita 7-Jo Kita-ku, Sapporo | SE Sankyo Bldg. | ||
| Chiba Sales Office | 260-0032 | 1-26-1, Nobuto, Chuo-ku, Chiba City | Asahi Seimei Chiba Nobuto Bldg. | ||
| Shizuoka Sales Office | 422-8061 | 1-30, Morishita-cho, Suruga-ku, Shizuoka City | Sanko Bldg. | ||
| Chubu Branch | 450-0002 | 4-2-28, Meieki, Nakamura-ku, Nagoya City | Nagoya Daini Saitama Bldg. | ||
| Kansai Branch | 530-0005 | 3-2-4, Nakanoshima, Kita-ku, Osaka City | Asahi Shimbun Bldg. | ||
| Hokuriku Sales Office | 930-0002 | 1-1-12, Shintomi-cho, Toyama City, Toyama Prefecture | Toyama Ekimae Bldg. | ||
| Chushikoku Branch | 730-0041 | 2-30, Komachi, Naka-ku, Hiroshima City, Hiroshima Prefecture | Daini Yuraku Bldg. | ||
| Okayama Sales Office | 700-0903 | 8-29, Saiwai-cho, Okayama City, Okayama Prefecture | Mitsui Seimei Okayama Bldg. | ||
| Yamaguchi Sales Office | 745-0034 | 1-5, Miyuki-dori, Shunan City, Yamaguchi Prefecture | Sumitomo Seimei Tokuyama Bldg. | ||
| Takamastu Sales Office | 760-0023 | 1-3-2, Kotobuki-cho, Takamatsu City, Kagawa Prefecture | Takamatsu Daiichi Seimei Bldg. | ||
| Kyushu Branch | 812-0039 | 5-35, Reisen-machi, Hakata-ku, Fukuoka City | Fukuoka Gion Daiichi Seimei Bldg. | ||
| Kitakyushu Sales Office | 802-0001 | 2-14-1, Asano, Kokura Kita-ku, Kitakyushu City | Kokura Kosan KMM Bldg. | ||
| Nagasaki Branch | 852-8004 | 6-14, Maruo-machi, Nagasaki City | c/o Mitsubishi Electrics Corporation | ||
| Fuchu Works | 183-8511 | 1, Toshiba-cho, Fuchu-shi, Tokyo | c/o Toshiba Fuchu Works | ||
| Keihin Works | 230-0045 | 2-4, Suehiro-cho, Tsurumi-ku, Yokohama-City, Kanagawa Prefecture | c/o Toshiba Keihin Works | ||
| Kobe Works | 652-8555 | 1-1-2, Wadasaki-cho, Hyogo-ku, Kobe-City, Hyogo Prefecture | c/o Mitsubishi Electrics Corporation Energy & Industrial Systems Center | ||
| Nagasaki Works | 852-8004 | 6-14, Maruo-machi, Nagasaki City | c/o Mitsubishi Electrics Corporation |