Our history
| 1919 | started manufacturing and selling files in Nigata, Kure. |
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| 1959 | started manufacturing and selling cutting and grinding grindstones. |
| 1961 | published as GOEI Co., Ltd. |
| 1972 | started manufacturing and selling diamond files while increasing the number of items such as drill bits, saw blades and dry saws. |
| 1983 | Main office and factory were moved to current address; Akitsu-cho, Hiroshima. |
| 1992 | awarded the “Yutori creative award” by Hiroshima prefecture. |
| 1997 | obtained ISO 9001. |
| 2001 | increased items (welded blade). |
| 2002 | started manufacturing and selling “Job” series , the environmental machines. |
| 2003 | started manufacturing and selling Mizusumashi AT, the environmental machine. |
| 2004 | obtained ISO 14001. |
| 2010 | started manufacturing and selling the “Silky heel”, diamond file for heels. |
| 2012 | started manufacturing and selling NelphaW, diamond nail file for nursing care. |
| 2014 | started manufacturing and selling DIAMOND FILE for Pro, Basic and Mini. |