Corporate Profile

Corporate History


1905 Fusanosuke Kuhara Opened Hitachi Mine in Ibaraki Prefecture.
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.


1964 The Kurami Works was opened in Kanagawa Prefecture.
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.


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.
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 & Metals 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.
2013 JX Metals Precision Technology Corporation was established.
Kakegawa Works(Shizuoka Prefecture) began operations.
2014 Production of copper concentrate started at Caserones Copper Mine.
2017 JX Holdings, Inc. and TonenGeneral Sekiyu K.K. established Holdings company, JXTG Holdings, Inc.