| September 1974 |
Established Heian Aluminum Manufacturing in Makishima-cho, Uji-shi, Kyoto |
| April 1979 |
Moved our office to its current location in Kumiyama-cho, Kuse-gun, Kyoto (approximately 500 square meters in size) |
| June 1987 |
Established Heian Manufacturing Inc. in Kumiyama-cho, Kuse-gun, Kyoto |
| June 1992 |
Changed our company name to Heian Inc. |
| September 1992 |
Expanded the area of our main office (to approximately 4,000 square meters) |
| October 1998 |
Established our secondary factory in Kumiyama-cho, Kuse-gun, Kyoto |
| June 1999 |
Switched from manually operated reverberatory furnaces to rotary furnaces |
| December 2000 |
Increased our rotary furnaces |
| April 2002 |
Introduced trommel machines |
| September 2002 |
Began acquiring the ISO 14001 certification |
| April 2003 |
Introduced analyzers built by the Shimazu Corporation |
| October 2003 |
Acquired the ISO 14001 certification |
| December 2003 |
Increased our large-type rotary furnaces |
| May 2006 |
Established our Kanto factory in Yachiyo-shi, Chiba |
| March 2013 |
Purchased the land neighboring our main office (approximately 4,000 square meters), increasing the area of our factory to approximately 8,000 square meters |
| March 2014 |
Increased our rotary furnaces at our Kanto factory |
| August 2014 |
Introduced press machines to the factory at our main office |
| May 2015 |
Plan to establish aluminum raw material wholesale store business |
