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The History of ASAHI TEC CORPORATION
| August |  |
1938 | |
Incorporated Asahi Malleable Iron Co., Ltd. from Asahi Foundry |
| January | 1950 | |
Became a subsidiary of NGK Insulators, Ltd. which took a stake in the company | |
| June | 1958 | |
Started production of aluminum alloy casting | |
| February | 1961 | |
Became listed in the Second Section of the Nagoya Stock Exchange | |
| November | 1961 | |
Inaugurated the Toyokawa Plant to increase the production of malleable cast iron | |
| June | 1976 | |
Established Asahi Light Alloy Co., Ltd. as a 100% subsidiary specializing in the production of aluminum wheels | |
| May | 1978 | |
Took a stake in Hoei Industrial Co., Ltd. to make it a subsidiary of the company | |
| December | 1980 | |
Became listed in the Second Section of the Tokyo Stock Exchange | |
| September | 1987 | |
Changed from a subsidiary to an affiliated company of NGK Insulators, Ltd. | |
| March | 1989 | |
Established a subsidiary, Asahi Somboon Aluminum Co., Ltd. | |
| November | 1989 | |
Changed the corporate name to ASAHI TEC CORPORATION | |
| November | 1990 | |
Became listed in the 1st Sections of the Tokyo Stock Exchange and the Nagoya Stock Exchange | |
| September | 1991 | |
Took over the whole business of its subsidiary Asahi Light Alloy Co., Ltd. | |
| May | 1993 | |
Established a subsidiary, Asahi Somboon Metals Co., Ltd. | |
| September | 1995 | |
Inaugurated the Yokoji Plant for the expansion of aluminum alloy casting business | |
| August | 1998 | |
The company's accounting end was changed from May 31 to March 31 | |
| April | 1999 | |
Became a subsidiary of NGK Insulators, Ltd. due to a change in the consolidation criteria | |
| August | 1999 | |
Business of Asahi Forging Co., Ltd. was transferred to Matec, Inc. | |
| September | 2001 | |
A-TEC Co., Ltd was excluded from the consolidated subsidiaries by the clearance of stock holding | |
| May | 2003 | |
The U.S. investment company Ripplewood Holdings L.L.C. took a stake in the company | |
| October | 2003 | |
Established a joint venture Dicastal Asahi Aluminum Co., Ltd. | |
| January | 2005 | |
Consolidated subsidiaries changed their names: ASAHI SOMBOON ALUMINIUM CO., LTD. was changed to ASAHI TEC ALUMINIUM(Thailand) Co., Ltd., and ASAHI SOMBOON METALS CO., LTD. was changed to ASAHI TEC METALS(Thailand) Co., Ltd. | |
| March | 2005 | |
RHJ International SA/NV became the parent company by acquiring the company's stock | |
| February | 2006 | Took a stake in Techno-Metal Co., LTD. to make it a subsidiary of the company | ||
| January | 2007 | Took a stake in Metaldyne Corporation to make it a subsidiary of the company | ||
| March | 2007 | Established a joint venture Wheelhorse Asahi Aluminium Co., Ltd. | ||
| April | 2008 | Corporate split of　Environmental Business to ASAHI TEC Environmental Solutions Corporation | ||
| May | 2009 | Metaldyne Corporation was excluded from the consolidated subsidiaries |