Detailed history

The Meiji government sells the Kosaka mine to Fujita Gumi, the forerunner to DOWA

Fujita Gumi begins black ore smelting tests in Kosaka

Fujita Gumi commences hydroelectric power generation in Kosaka

Fujita Gumi commences operation of pyrometallurgy for refining black ore in Kosaka

Fujita Gumi begins a land reclamation project in Kojima Bay in Okayama

Fujita Gumi beings operation of black ore flash smelting in Kosaka

Fujita Gumi establishes the Kosaka Railway in Akita

Fujita Gumi acquires the Hanaoka mine in Akita

Fujita Gumi acquires the Yanahara mine in Okayama

Fujita Gumi establishes the Katakami Railway in Okayama

Fujita Gumi moves its head office from Osaka to Tokyo

Corporate name changed to DOWA MINING CO., LTD.

DOWA MINING discovers New iron sulfide ore deposit in Yanahara

DOWA MINING establishes Okayama Works (now DOWA ELECTRONICS MATERIALS OKAYAMA)

DOWA MINING acquires the Toyosaki Plant Co., Ltd. commences the Metal Processing business

DOWA MINING acquires Tokyo Heat Treatment Co., Ltd. as a subsidiary, starts Heat Treatment business

New black ore deposit is discovered in Kosaka (Uchinotai deposit)

New black ore deposit is discovered in Hanaoka (Matsumine deposit)

DOWA Iron Powder Industries Co., Ltd. (now DOWA IP CREATION) established in Okayama, commences Electronics Materials business

The Kosaka Plant is completely equipped with new flash furnace and commences operation

New black ore deposit is discovered in Hanaoka (Fukazawa deposit)

AKITA ZINC is established to operate a seaside zinc smelter

DOWA MINING acquires precious metal chemical product manufacturer Yokosawa Chemical Industries Co., Ltd. a subsidiary (now DOWA HIGHTECH)

DOWA Metal Industries Toyooka Plant is completed, relocation from Osaka Plant is completed (now DOWA METAL)

New black ore deposit is discovered in Hanaoka (Ezuri deposit)

OKAYAMA KOYU is established in Yanahara, begins Environmental Management & Recycling business

Semiconductor Materials Laboratory (now DOWA SEMICONDUCTOR AKITA) is established in Akita

DOWA MINING begins operation of zinc processing plant (now AKITA ZINC SOLUTIONS)

Production of magnetic recording materials is started in Okayama (now DOWA ELECTRONICS MATERIALS OKAYAMA)

An Office is set up in the United States (DOWA INTERNATIONAL CORPORATION established)

Platinum group metals recycling is started in Akita (NIPPON PGM established)

Manufacturing of metal-ceramics substrates is started in Nagano (now DOWA POWER DEVICE)

Operations commence at zinc mine in Mexico (MINERA TIZAPA)

Heat Treatment business is started in the United States (DOWA THT AMERICA established)

Home appliances recycling started in Akita (ECO-RECYCLE is established)

Waste treatment is started in the Kanto district (Nippon Pearl Limited (now ECO-SYSTEM CHIBA) is acquired)

Metal Processing business expands into China (DOWA ADVANCED MATERIALS SHANGHAI is established)

Environmental Management & Recycling business expands into China (DOWA ENVIRONMENTAL MANAGEMENT is established)

DOWA switches to holding company system, corporate name changed to DOWA HOLDINGS CO., LTD., relocates Head Office

Metal Processing business expands into Thailand (DOWA METALTECH (THAILAND) is established)

Heat Treatment business expands into Thailand (Dowa Thermotech (Thailand) is established)

DOWA sets up an office in Europe (DOWA HD Europe is established)

KOSAKA SMELTING & REFINING shut down its flash furnaces, and starts full operation of the furnace for combined recycling commences

Environmental Management & Recycling business expands into Indonesia, Thailand and Singapore (MODERN ASIA ENVIRONMENTAL HOLDINGS is made a subsidiary)

Home appliances recycling is started in China (DOWA ENVIRONMENTAL MANAGEMENT)

DOWA sets up an office in China (DOWA HOLDINGS (SHANGHAI))

Heat Treatment business makes full-scale entry into India (HIGHTEMP FURNACES is made into a subsidiary)

Precious metal recycling is started in Singapore (DOWA ECO-SYSTEM SINGAPORE is established)

Heat Treatment business expands to Indonesia (PT. DOWA THERMOTECH INDONESIA is established)

Zinc processing is started in Thailand (DOWA METALS & MINING (THAILAND) is established)

DOWA sets up an office in Thailand (DOWA HOLDINGS (THAILAND))

Environmental Management & Recycling business expands into Myanmar (GOLDEN DOWA ECO-SYSTEM MYANMAR is established)

Metal Processing business expands into Taiwan (DOWALI PRECISION is established)

Heat Treatment business expands into Mexico (DOWA THERMOTECH MEXICO is established)

Metal Processing business expands into Mexico (DOWA METALTECH MEXICO is established)

Operations commence at zinc mine in Mexico (LOS GATOS)

Food recycle is started in Okayama (BIODIESEL OKAYAMA)

The second landfill site in Indonesia commences operation (PT DOWA ECO SYSTEM INDONESIA)