About the company
Company History
Initially established as the Janghang Smelter in 1936,
LS MnM has grown into a world-class metals and materials company.
Here are some of the milestones we have achieved along the way.
A new name, a brighter future
In September 2022, the company name was changed to LS MnM along with a new set of growth strategies that were introduced for the future, when LS Co., Ltd. acquired 100% of the company’s stake.
The company hence began its new undertaking to become a globally renowned, all-around materials company with a specialty in metal and materials.
The company received the Prime Minister’s Citation at the 2025 Korea Volunteer Awards.
The company expanded its investment-grade B2C gold supply and trading channel to the KRX (Korea Exchange).
The company newsletter <Two M:> won the Silver Prize, the top prize that year, at the ‘Astrid Awards’, one of the world’s most prestigious employee publications contests.
Our Electrolytic copper was registered on COMEX’s approved brand list as Grade 1, the highest grade.
The company became the world’s first smelting company to obtain Copper Mark’s RRA (Risk Readiness Assessment) v.3.0. ESG certification.
The company signed an investment agreement with IS DONGSEO to cooperate on the secondary battery recycling business.
The company signed an investment agreement with LB ReTech to cooperate on the secondary battery recycling business.
The company signed a large-scale mineral concentrate purchase agreement with BHP, a global resources company, for 1.73 million tons over 5 years.
The company signed an investment agreement with the Saemangeum Development Authority to build a high-purity metal compound manufacturing facility for secondary batteries at the Saemangeum National Industrial Complex.
The company signed an investment agreement with the City of Ulsan to build a new high-purity metal compound manufacturing facility for secondary batteries at the Onsan National Industrial Complex.
The company approved an investment of KRW 670 billion, the largest amount in its history, in its secondary battery materials business.
Toricom, the subsidiary of LS MnM, completed construction of a nickel sulfate plant with an annual production capacity of 6,000 tons (nickel metal basis).
In line with the change in its governance structure, the company announced a new name and a new set of growth strategies.
The gold product production automation project was completed, which included simplifying the 12-step manual process into a 3-step unit process and implementing automation facilities.
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2024
Nov Signed a business agreement to collaborate on battery recycling with IS DONGSEO
Oct MOU for cooperation in secondary battery recycling business with LB ReTech
May Signed a large-scale concentrate purchase agreement with BHP - 1.73 million tons/5 years
May Completion ceremony for the PSA Lines 15 and 16.
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2023
Nov Signed an investment agreement with Saemangeum Development Authority to build a new high-purity metal compound manufacturing facility for secondary batteries - Annual production capacity of 40,000 tons (based on nickel metal)
Signed an investment agreement with the city of Ulsan to build a new high-purity metal compound manufacturing facility for secondary batteries - Annual production capacity of 22,000 tons (based on nickel metal)Oct Approved 670 billion investment in secondary battery materials business
Mar Completion of Toricom (subsidiary) Nickel sulfate plant - 6,000 tons/year capacity (based on nickel metal)
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2022
Oct Completion ceremony for the PSA Lines 13 and 14.
Sep Company name changed: LS-Nikko Copper → LS MnM Governance structure changed: 100% stake owned by LS Corp.
May Automated the gold product production process.
