| May 1951 | Established at Tanaka-dori, Okaya City with capital of 800,000 yen. |
| September 1952 | Commended by the Director General of the Tokyo Trade and Industry Bureau as a model plant for small and medium-sized enterprises |
| October 1963 | Constructed and moved to a new plant in Oikawa, Okaya City (current location). |
| October 1964 | Increased the capital to 10 million yen and expanded the jig division, heading in the direction of high-mix low-volume production. |
| April 1972 | New three-story plant completed. |
| November 1975 | Received designation as an excellent declaration corporation from the Suwa Tax Office (continued designation) |
| May 1977 | Increased capital to 20 million yen |
| December 1984 | The west wing of the second plant was extended. |
| April 1985 | Increased capital to 40 million yen. |
| October 1985 | Acquired 1,541 square meters of land for plant use |
| April 1986 | Acquired 1,654 square meters of land for plant use |
| September 1986 | Awarded the Science and Technology Agency Director-general's Award of encouragement for QTIC at the Nagano Invention and Innovation Fair |
| March 1989 | Completion of Plant No. 4 and the small gymnasium. |
| May 1989 | Kanayama Factory completed. |
| October 1991 | Completion constructing of Tokyo Office. |
| October 2000 | Achieved 7.5 million hours of accident-free record (approximately 28 years) and was awarded a Type 2 No Accident Record Certificate by the Director of the Labor Standards Bureau of the Ministry of Labor. |
| November 2000 | Acquired ISO 9001 certification. |
| May 2001 | 50th Anniversary Ceremony |
| December 2002 | Acquired ISO 14001 certification. |
| April 2006 | Selected by the Ministry of Economy, Trade and Industry as one of the "300 Dynamic Monodzukuri SMEs". |
| March 2007 | Establishment of Daya Precision Machinery (Changshu) Co. in China. |
| December 2008 | Completion of the fifth factory (specialized in chucks and guide bushes). |
| May 2011 | Celebrating our 60th anniversary. |
| September 2013 | Awarded 11.3 million hours of accident-free record by the Director of the Labor Standards Bureau of the Ministry of Labor |
| October 2017 | Obtained certification from the Workplace Lively Advance Company (Nagano Prefecture) |
| February 2018 | Selected under the 2019 Certified Health & Productivity Management Outstanding Organizations Recognition Program designed by the Ministry of Economy, Trade and Industry |
| July 2018 | Awarded a prize of excellence at the Nagano Prefecture Industrial Safety and Health Convention |
| December 2018 | Selected by the Ministry of Economy, Trade and Industry as one of the Companies Driving Regional Growth. |
| March 2019 | ACQUIRED ISO13485 CERTIFICATION, AN INTERNATIONAL STANDARD FOR QUALITY MANAGEMENT SYSTEMS SPECIFIC TO MEDICAL DEVICES |
| July 2019 | Registered as a medical device manufacturer |
| October 2019 | RECEIVED THE GRAND PRIX OF THE MONODZUKURI GRAND PRIX NAGANO 2019. |
| Dec 2020. | New factory completed |
| January 2021 | Registered as a Nagano Prefecture SDGs Promotion Company |
| March 2024 | Obtained Type III medical device manufacturing and sales license. |