Our history
| 1884 | The Meiji government sells the Kosaka mine to Fujita Gumi, the forerunner to DOWA |
|---|---|
| 1888 | Fujita Gumi begins black ore smelting tests in Kosaka |
| 1897 | Fujita Gumi commences hydroelectric power generation in Kosaka |
| 1898 | Fujita Gumi commences operation of pyrometallurgy for refining black ore in Kosaka |
| 1899 | Fujita Gumi begins a land reclamation project in Kojima Bay in Okayama |
| 1902 | Fujita Gumi beings operation of black ore flash smelting in Kosaka |
| 1909 | Fujita Gumi establishes the Kosaka Railway in Akita |
| 1915 | Fujita Gumi acquires the Hanaoka mine in Akita |
| 1916 | Fujita Gumi acquires the Yanahara mine in Okayama |
| 1919 | Fujita Gumi establishes the Katakami Railway in Okayama |
| 1944 | Fujita Gumi moves its head office from Osaka to Tokyo |
| 1945 | Corporate name changed to DOWA MINING CO., LTD. |
| 1952 | DOWA MINING discovers New iron sulfide ore deposit in Yanahara |
| 1953 | DOWA MINING establishes Okayama Works (now DOWA ELECTRONICS MATERIALS OKAYAMA) |
| 1957 | DOWA MINING acquires the Toyosaki Plant Co., Ltd. commences the Metal Processing business |
| 1958 | DOWA MINING acquires Tokyo Heat Treatment Co., Ltd. as a subsidiary, starts Heat Treatment business |
| 1959 | New black ore deposit is discovered in Kosaka (Uchinotai deposit) |
| 1963 | New black ore deposit is discovered in Hanaoka (Matsumine deposit) |
| 1965 | DOWA Iron Powder Industries Co., Ltd. (now DOWA IP CREATION) established in Okayama, commences Electronics Materials business |
| 1967 | The Kosaka Plant is completely equipped with new flash furnace and commences operation |
| 1969 | New black ore deposit is discovered in Hanaoka (Fukazawa deposit) |
| 1971 | AKITA ZINC is established to operate a seaside zinc smelter |
| 1973 | DOWA MINING acquires precious metal chemical product manufacturer Yokosawa Chemical Industries Co., Ltd. a subsidiary (now DOWA HIGHTECH) |
| 1975 | DOWA Metal Industries Toyooka Plant is completed, relocation from Osaka Plant is completed (now DOWA METAL) |
| 1977 | New black ore deposit is discovered in Hanaoka (Ezuri deposit) |
| 1977 | OKAYAMA KOYU is established in Yanahara, begins Environmental Management & Recycling business |
| 1982 | Semiconductor Materials Laboratory (now DOWA SEMICONDUCTOR AKITA) is established in Akita DOWA MINING begins operation of zinc processing plant (now AKITA ZINC SOLUTIONS) |
| 1983 | Production of magnetic recording materials is started in Okayama (now DOWA ELECTRONICS MATERIALS OKAYAMA) |
| 1989 | An Office is set up in the United States (DOWA INTERNATIONAL CORPORATION established) |
| 1991 | Platinum group metals recycling is started in Akita (NIPPON PGM established) |
| 1992 | Manufacturing of metal-ceramics substrates is started in Nagano (now DOWA POWER DEVICE) |
| 1994 | Operations commence at zinc mine in Mexico (MINERA TIZAPA) |
| 1997 | Heat Treatment business is started in the United States (DOWA THT AMERICA established) |
| 1999 | Home appliances recycling started in Akita (ECO-RECYCLE is established) |
| 2000 | Waste treatment is started in the Kanto district (Nippon Pearl Limited (now ECO-SYSTEM CHIBA) is acquired) |
| 2002 | Metal Processing business expands into China (DOWA ADVANCED MATERIALS SHANGHAI is established) |
| 2003 | Environmental Management & Recycling business expands into China (DOWA ENVIRONMENTAL MANAGEMENT is established) |
| 2006 | DOWA switches to holding company system, corporate name changed to DOWA HOLDINGS CO., LTD., relocates Head Office |
| 2006 | Metal Processing business expands into Thailand (DOWA METALTECH (THAILAND) is established) |
| 2007 | Heat Treatment business expands into Thailand (Dowa Thermotech (Thailand) is established) |
| 2007 | DOWA sets up an office in Europe (DOWA HD Europe is established) |
| 2008 | KOSAKA SMELTING & REFINING shut down its flash furnaces, and starts full operation of the furnace for combined recycling commences |
| 2009 | Environmental Management & Recycling business expands into Indonesia, Thailand and Singapore (MODERN ASIA ENVIRONMENTAL HOLDINGS is made a subsidiary) |
| 2009 | Home appliances recycling is started in China (DOWA ENVIRONMENTAL MANAGEMENT) |
| 2011 | DOWA sets up an office in China (DOWA HOLDINGS (SHANGHAI)) |
| 2011 | Heat Treatment business makes full-scale entry into India (HIGHTEMP FURNACES is made into a subsidiary) |
| 2012 | Precious metal recycling is started in Singapore (DOWA ECO-SYSTEM SINGAPORE is established) |
| 2012 | Heat Treatment business expands to Indonesia (PT. DOWA THERMOTECH INDONESIA is established) |
| 2012 | Zinc processing is started in Thailand (DOWA METALS & MINING (THAILAND) is established) |
| 2014 | DOWA sets up an office in Thailand (DOWA HOLDINGS (THAILAND)) |
| 2014 | Environmental Management & Recycling business expands into Myanmar (GOLDEN DOWA ECO-SYSTEM MYANMAR is established) |
| 2015 | Metal Processing business expands into Taiwan (DOWALI PRECISION is established) |
| 2015 | Heat Treatment business expands into Mexico (DOWA THERMOTECH MEXICO is established) |
| 2016 | Metal Processing business expands into Mexico (DOWA METALTECH MEXICO is established) |
| 2019 | Operations commence at zinc mine in Mexico (LOS GATOS) |
| 2021 | Food recycle is started in Okayama (BIODIESEL OKAYAMA) |