Corporate History
1900-1950
| 1905 | Fusanosuke Kunara Opened Hitachi Mine in Ibaraki Prefecture. |
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| 1908 | The Daioin Smelter (Now, Hitachi Area Coordination Center) was opened. |
| 1912 | Kuhara Mining Co., Ltd., was established. |
| 1916 | The Saganoseki Smelter & Refinery (now, the Sagonoseki Smelter & Refinery, Nikko Smelting & Refinery Co., Ltd.,in Oita Prefecture) was established. |
| 1928 | Kuhara Mining Co., Ltd., was renamed Nippon Sangyo Co., Ltd. |
| 1929 | Nippon Mining Co., Ltd. was established to take over mining and smelting & refinery operations of Nippon Sangyo Co., Ltd. |
| 1950 | Kawasaki Works began operations (now, the Kawaseki Plant, the Kurami Works in Kanagawa Prefecture) began metal fabrication operations. |
1951-2000
| 1964 | The Kurami Works was opened in Kanagawa Prefecture. |
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| 1982 | The Hitachi Works of Nikko Gould Foil Co., Ltd. (now, the Shirogane Works in Ibaraki Prefecture, Nippon Mining & Metals Co., Ltd.)began operations. |
| 1985 | The Isohara Plant (now, the Isohara Works in Ibaraki Prefecture, Nippon Mining & Metals Co., Ltd.) began operations. |
| 1992 | Nippon Mining & Metals Co., Ltd., taking over metal resource development, smelting and refining, and metal fabrication operations of Nippon Mining Co., Ltd.,was established, |
| 1993 | Construction of the Clean Z furnace (incinerator) at the Hitachi Works was completed. |
| 1996 | The streamlined production system at the Saganoseki Smelting and Refinery was established. (Two flash furnaces operating system was consolidated into one) GNF Philippines Inc. (now, Nikko Materials Philippines Inc.) was established |
| 1997 | Construction of facilities for the recovery of valuable and rare metals at the Saganoseki Smeler and Refinery was completed. |
| 1998 | The stock of Nippon Mining & Metals Co., Ltd., was listed on the First Section of the Tokyo Stock Excange. |
| 1999 | Nippon Mining & Metals entered in a joint venture with a South Korean copper refiner. Nikko Materials Co., Ltd., was established |
| 2000 | Pan Pacific Copper Co., Ltd., was established with Mitsui Mining and Smelting Co., Ltd. |
2001-
| 2002 | Nikko Environmental Services Co., Ltd., taking over recycling and environmental services
at the Hitachi Works,was established and begun operation. A holding company, Nippon Mining Holdings, Inc., was established with Japan Energy Corp. |
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| 2003 | Nikko Metal Manufacturing Co., Ltd., taling over metal manufacturing business, was established and began operations. |
| 2005 | 100th anniversary of the foundation of the company was celebrated. |
| 2006 | Nippon Mining & Metals Co., Ltd. Nikko Materials Co., Ltd., and Nikko Metal Manufacturing
were merged to form new "Nippon Mining & Meals Co., Ltd." Pan Pacific Copper Co., Ltd. integrated copper smelting and refining operations of Nippon Mining & Metals Co., Ltd., and Mitsui Mining & Metals Co., Ltd. The copper smelting and refining operations carried out at the Saganoseki Smelter & Refinery and the Hitachi Works were transformed to Nikko Smelting & Refining Co., Ltd., which was then integrated into Pan Pacific Copper. Hitachi Area Redevelopment Plan was launched. |
| 2007 | Nikko Fuji Precision (Wuxi) Co., Ltd., began operations. Materials Service Complex Malaysia Sdn. Bhd. was established. |
| 2010 | Nippon Mining Holdings, Inc. and Nippon Oil Corp. established Holdings company, JX Holdings, Inc. JX Nippon Mining & Metals Corp. was established as a core of the JX Group. |
