| October 1973 | Established Asama Giken Kogyo Co., Ltd. |
|---|---|
| December 1986 | Awarded for “Sokeizai Industry Environmental Friendly Factory Award” |
| December 1987 | Established the Headquarter and Main plant. |
| February 1988 | Awarded the Director General Prize of Agency of Natural Resources and Energy and Excellent Energy Management Factory |
| February 1989 | Awarded the Amitani Prize of Japan Foundry Engineering Society |
| March 1995 | Established P.T. ASAMA INDONESIA MANUFACTURING (AIM) in Karawang, Indonesia. |
| March 1996 | Established Asama Coldwater Manufacturing. Inc (ACM) in Michigan, U.S.A. |
| August 1998 | Acquired ISO 9001 certification |
| July 1999 | Acquired ISO 14001 certification |
| March 2003 | Achieved non-accident operation for 3.9 million hours at the Main plant |
| March 2013 | Established ACM Georgia Plant in Georgia, U.S.A. |
| May 2013 | Japan Foundry Engineering Society Received the Amiya Award |
| September 2019 | Acquired the stocks of the Company by Sumitomo Corporation. |
| April 2022 | Aquired IATF16949 certificate, Relinquished ISO 9001 certification |
