| Jan. 1947 |
Kinzoku Shoji K.K. established as a trading company dealing chiefly in nonferrous metals (capital: 180,000 yen; head office, 1-9 Hongo, Bunkyo-ku, Tokyo) |
| Aug. 1948 |
Gradual expansion of organization and products handled as business developed; established solid base as a trading company and changed name to Kinsho Trading Co., Ltd. |
| Nov. 1960 |
Merged with Mataichi Co., Ltd., fiber trading company in Osaka, and changed name to Kinsho Mataichi Corporation, increasing capital to 510 million yen |
| Oct. 1961 |
Listed on first sections of Tokyo and Osaka Stock Exchanges |
| Oct. 1993 |
Merged with Kinsho Warehousing and Transportation Corporation and established the Logistics Division |
| Apr. 1999 |
Company name changed to Kinsho Corporation |
| Nov. 2000 |
Obtained ISO14001 certification, the international standard for environmental management systems |
| Aug. 2006 |
Allocated new shares to Mitsubishi Corporation, becoming its subsidiary, increasing capital to 3,143,062,500 yen |
| May. 2007 |
Took over a part of the business of a subsidiary of Mitsubishi Corporation and became newly-born Kinsho Corporation |
| Mar. 2008 |
Became a wholly owned subsidiary of Mitsubishi Corporation |
| Apr. 2009 |
Company name changed to Mitsubishi Corporation Unimetals Ltd. (current name) |
| Apr. 2010 |
Merged with Mitsubishi Shoji Light Metal Sales Corporation and became newly-born Mitsubishi Corporation Unimetals Ltd. |
