| Kyusyu-South Sales office |
| 1462-17 Imaizumihei, Kiyotake-cho, Miyazaki-gun, Miyazaki-pref., 889-1602, Japan TEL.+81-985-84-0876 FAX.+81-985-84-0816 |
| MARUWA QUARTZ Miyazaki Plant |
| 1462-17 Imaizumihei, Kiyotake-cho, Miyazaki-gun, Miyazaki-pref., 889-1602, Japan TEL.+81-985-84-0753 FAX.+81-985-84-1357 |