| Dec. | 1989 | Establishment of Sanyu Seimitsu Limited Company (Die parts production and sales) in Kanazawa city | |
|---|---|---|---|
| Mar. | 1990 | Start of design,production and sale of dies for injection molding products | |
| May. | 1995 | Expansion of injection molding factory | |
| Mar. | 1998 | Increace of paid-up capital up to JPY 10,000,000 | |
| Apr. | 1998 | Renamed Sanyu Seimitu Co., Ltd. | |
| Aug. | 1998 | Expansion of injection molding factory | |
| Nov. | 2001 | Expansion of molding factory | |
| Dec. | 2003 | Establishment of Taiwan Sanyu Seimitsu Co., Ltd. in Taichung city, Taiwan | |
| May. | 2004 | Establishment of Minato factory at current location | |
| Jun. | 2007 | Establishment of Vietnam Sanyu Seimitsu Inc. in Hai Duong city, Vietnam | |
| Nov. | 2007 | Certification of ISO9001 | |
| May. | 2011 | Relocation of head office and main factory in Minato Kanazawa Establishment of JSK Co.,Ltd. As mold factory in Kanazawa |
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| Dec. | 2011 | Certification of ISO 14001 |