The Mitsui conglomerate receives the state-operated Miike mines from the Ministry of Finance and founds Mitsui Mining Co., Ltd. The company plays an important role in the modernization of Japan. The Miike mines and related facilities were listed in 2015 as UNESCO World Heritage Site.
With the postwar dissolution of conglomerates, the metals-related divisions are broken off, and Kamioka Mining and Smelting Co., Ltd. is founded. Owing to the energy revolution that resulted in the shift from coal to petroleum, the company diversified its operations and moved into the coke and equipment businesses.
Operation of the Mitsui Miike Factory Tochigi Works begins, predecessor to the Chemical Machinery Division. Manufacture and sales of powder and granule manufacturing equipment begins.
Mitsui Mining Co., Ltd.—the predecessor of the Kitakyushu Coking Works—is founded, and enters the coke business.
Mitsui Mining Australia (predecessor to Fuel and Resource Recycling Division, Sydney Office) founded. Began procurement of coal from overseas, and launched energy-related businesses that led to today’s fuel sales.
With the closing of the Miike Mine, withdrew from domestic coal mining. In 2003, with support from the Industrial Revitalization Corporation of Japan, relaunched as new Mitsui Mining Co., Ltd.
Changed corporate name to Nippon Coke & Engineering. Focused efforts on creating a more affluent society through our coking business, fuels and resources businesses, and chemical machinery business.