HOME > About OHARAQUARTZ >History
| 1988/12 | SUMIKIN QUARTZ. Co. Ltd. was established in Amagasaki,Hyogo. |
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| 1999/6 | Headquarters is moved to Wakayama. |
| 2002/6 | megered as SUMIKIN CERAMICS Co.,Ltd. name changed to SUMIKIN CERAMICS&QUARTZ Co.,Ltd |
| 2008/7 | Corporate separation (quartz department and ceramics department) OHARA Inc invests in the quartz department, and Ohara Quartz Co.,Ltd. was established. |
