Network
| Office | Address | Phone Number | Location Map |
|---|---|---|---|
| Site of Plant and Headquarters | 832-2, Horiguchi, Hitachinaka-shi, Ibaraki, 312-0034 | Tel: +81-29-271-1115 | |
| Tokyo Sales Office | 19-3, Kanda-Matsunaga-cho, Chiyoda-ku, Tokyo, 101-0023 | Tel: +81-3-6262-9083 | |
| Chugoku Sales Office | 4-21, Fukuro-machi, Naka-ku, Hiroshima-shi, Hiroshima, 730-0036 | Tel: +81-82-243-3103 |