Hitachi Mine opening (our group's founding)
Fusanosuke Kuhara (founder of Hitachi Mine and our group)
Commencement of Hitachi Mine's No.1 shaft excavation
Hitachi Mine conducts Japan's first diamond drilling in a metal mine
Operation start of Daio-in smelter (now Hitachi Works)
Kuhara Mining established
Construction of Hitachi Mine's large chimney
Start of operation at Saga Seki Smelter
Kuhara Mining goes public
Yoshisuke Ayukawa becomes the second president of Kuhara Mining
Kuhara Mining renamed Japan Industrial
Japan Mining established
Lost all overseas operations due to the end of World War II
Establishment of Karasuyama Test Site
Kawasaki Factory Operations Commencement
Establishment of Mitsuichi Smelting (now JX Metals Mitsuichi Recycling)
Kurami Factory Opening
Establishment of Chile Office
Completion of Saga Seki and Nippon Mining Type 1 Self-Reducing Furnace
Establishment of Tomakomai Chemical (now JX Metals Tomakomai Chemical)
Start of operation at Zaire Musoshi Copper Mine
Establishment of Nippon Mining Gould & Foil (now Hitachi Plant Copper Foil Manufacturing Department)
Ishihara Factory Operations Start
Nippon Mining Memorial Museum Opening
Establishment of Nippon Mining Coil Center (now JX Metals Coil Center)
Acquisition of Gould Corporation in the United States
Established Nippon Mining Taiwan (now Taiwan Nippon Mining & Metals)
Establishment of Nippon Mining Taiwan (now Taiwan Nippon Mining & Metals)
Established NIMTEC (now JX Advanced Metals USA)
Start of Nippon Mining Metals Business
Start of single furnace operation at Saga Seki Smelting Plant
Nippon Mining Metals listed on the First Section of the Tokyo Stock Exchange
Establishment of Nippon Mining Materials (spin-off of Japan Energy's electronic materials business)
Start of production at Los Perambres Copper Mine in Chile
Establishment of Shanghai Nippon Mining & Metals
Joint holding of Nippon Mining Metals and Japan Energy
Established Nippon Mining & Metals (separated and spun off from Nippon Mining & Metals' metal processing business)
Established Korea Nippon Mining Materials (now Korea JX Metals)
New Nippon Mining & Metals launched (merger of Nippon Mining & Metals, Nippon Mining Materials, and Nippon Mining & Metals Processing)
Integrated Nippon Mining & Metals and Mitsui Mining & Smelting's copper refining functions into PPC (refining functions at Saga Sea Refinery and Hitachi Copper Refinery spun off into Nippon Mining Refining and transferred to PPC)
New Nippon Mining Holdings and New Japan Oil merged to establish a holding company, JX Holdings.
"Nippon Mining & Metals" renamed to JX Nippon Mining & Metals.
Tsuruga Plant (now JX Metals Circular Solutions Tsuruga)
Ceremonial opening of the Caserones copper mine in Chile
Ribbon-cutting ceremony at the opening ceremony
Company name changed to "JX Metals"
JX Holdings Inc. and Toho Gas Co., Ltd. merged to establish the holding company "JXTG Holdings"
Established Frankfurt Office
Acquired shares of H. C. Starck Tantalum & Niobium (now TANIOBIS)
Changed "H. C. Starck Tantalum & Niobium" to "TANIOBIS"
Changed English trade name from "JX Nippon Mining & Metals Corporation" to "JX Metals Corporation"
Established Johannesburg Office
Changed English trade name from "JX Metals Corporation" to "JX Advanced Metals Corporation"
JX Metals Co., Ltd. will exhibit at COMPAMED 2026, held in Düsseldorf, Germany, from November 16 to 19, 2026. The exhibition will showcase electromagnetic wave shielding materials, copper foil for flexible printed circuit boards, crystal materials for radiation detection, liquid metal for X‑ray equipment, and titanium powder for implants.
On October 29, 2026, JX Metal Co., Ltd. honored student Fuu Kuroda from the Tokyo University of the Arts and held the award ceremony. During the ceremony, President Yoichi Hayashi presented the certificate and scholarship catalog, and a professor from the university gave a commentary.
The Technology Development Center of JX Metals (Hitachi City, Ibaraki Prefecture) has declared self‑compliance with the international standard ISO9001 for quality management systems. The center aims to systematize the process from understanding customer needs to research and development and productization, thereby enhancing the reliability and reproducibility of development activities.
JX Metals will sponsor the drama “Attorney Minami Minamida Is a Natural-Born Genius,” starring Mana Ashida, which begins airing on October 19, 2026. The company will provide its head office as a filming location, and a conference room is scheduled to be used as the managing partner’s office at the law firm where the protagonist works.
Ms. Chiba Mirai (of Uchihara Farm) received the Chairman's Encouragement Award in the photography category of the "Reiwa 8th Annual Disability Employment Support Month Painting and Photography Contest" organized by the National Organization for Employment Support for the Elderly, Disabled, and Job Seekers. Among 1,778 entries nationwide, her work "Twin Chili Peppers" was selected, marking her second consecutive year following the previous year's Chairman's Award. The award ceremony was held on September 29 at the Hitachinaka factory, where certificates and commemorative items were presented.
JX Metal Corporation participated alongside Hitachi, Ltd. in the multigenerational workshop "MIRA-GE" held at Ibaraki Prefectural Hitachi First High School on August 20. During the workshop, students and employees discussed the future vision of Hitachi City and initiatives utilizing the technologies of both companies. JX Metal introduced the industrial development history of Hitachi City, its founding place, as well as its offerings of advanced materials for semiconductors, data centers, and electric vehicles, along with its Sustainable Copper Vision and Green Hybrid Smelting Technologies.
JX Advanced Metals Corporation is collaborating with Episode 5 of Girls und Panzer das Finale, which will be released in theaters on October 9, 2026. Containers featuring the company logo and mascot Copper-kun will appear in the film. The collaboration reflects the company’s origins in Ibaraki Prefecture and its aim to contribute to regional revitalization. It follows the collaboration on Episode 4.
JX Advanced Metals Corporation's support for metalworking art has been recognized as “This is MECENAT 2026” by the Association for Corporate Support of the Arts. The activities include presenting the JX Advanced Metals Prize, producing a corporate calendar and sharing information, and exhibiting artworks at an employee welfare facility near its Ibaraki Works. The initiative aims to advance metalworking art and nurture the next generation of artists.
As part of the Riko-Challe initiative, the JX Advanced Metals Group held factory tours and hands-on science events for junior high school students at four sites in Japan. Events at the Saganoseki Smelter, Kurami Plant, Isohara, and Hitachi introduced the appeal of science and engineering careers through factory tours, experiments, and conversations with employees. Local students and employees' families also participated as part of the group's efforts to nurture the next generation.
A talk session featuring JX Advanced Metals, Hitachi, Ltd., and Ibaraki University's Faculty of Engineering was held at the faculty's open campus. The two companies have signed a comprehensive partnership agreement to contribute to local talent development and regional growth. The session covered working styles and learning.