| 1994.July | : | Establishment |
| 1995.May | : | Started operation |
| 1995.Sep | : | Added Hobbing facility |
| 1996.May | : | 1st facility extension |
| 1996Nov | : | Added Hobbing facility |
| 1998.Apr | : | Added Hobbig facility |
| 1999.Sep | : | 2nd facility extension. Added NC and Hobbing facility |
| 2001.Apr | : | Started in-house developed CNC High Speed Hobbing machines |
| 2003.May | : | Started sanitary unit assembly |
| 2003July | : | Increased capital from RM1.5Mil to RM2.5Mil |
| 2003.Oct | : | Obtained ISO9001 |
| 2006.Jun | : | Obtained ISO14001 |
| 2008.Jan | : | Relocated to present address |
| 2009.Apr | : | Started gear box assembly |
| 2009.Sep | : | Established IPO in BKK. (OHTA PRECISION (THAILAND) Co.,Ltd.) |
