Foosung093370.KS
About Foosung
Foosung is a fluorine chemistry specialist best known for lithium hexafluorophosphate, the electrolyte salt dissolved in the liquid electrolyte of lithium-ion batteries. It also produces refrigerant gases and other fluorine-based industrial chemicals, a legacy business that predates its battery-materials expansion. The company supplies electrolyte producers and battery-chain customers at home and abroad and has pursued production capacity outside Korea to serve international demand. Revenue rises and falls with battery-materials pricing, which behaves like a commodity, and with volumes tied to electric-vehicle battery output.
The structural story is commodity exposure inside a growth industry: lithium-salt prices are set by global supply and demand, dominated by Chinese producers, so Foosung's profitability can swing sharply even when volumes grow. Investors watch Chinese capacity additions and any trade measures that favor non-Chinese supply chains, which could benefit a Korean producer. The refrigerant business faces tightening environmental rules on fluorinated gases. Foosung is a smaller-capitalization name with family-linked ownership, and its earnings volatility makes it a trading-oriented rather than income-oriented holding.
Foosung's lineage runs through Korea's early refrigerant-gas industry in Ulsan, where the fluorine chemistry that still defines the company was first practiced. The listed entity in its present form took shape in the mid-2000s, when the family-run Foosung Group reorganized its businesses, and it has since served as the group's chemical flagship. Sister affiliates within the group operate in defense electronics, refractories, construction, and trading, but the chemical company is the constellation's most prominent listed member. Building on its refrigerant base, Foosung became the pioneering Korean producer of lithium hexafluorophosphate for battery electrolytes, and it later added production operations in China to serve customers in the world's largest battery market.
The company earns revenue across three fluorine-based product families with very different economics. Refrigerant gases are a mature legacy line sold into air-conditioning and industrial channels. Lithium hexafluorophosphate, the electrolyte salt, behaves like a commodity whose price is set by global supply and demand, so earnings from this line swing with the battery-materials cycle even when shipment volumes hold steady. Specialty gases for semiconductor etching and deposition are the higher-barrier business, requiring purity certification and fab-by-fab qualification that reward incumbents. Shared feedstocks and fluorine-handling expertise tie the three lines together, letting one production platform serve air-conditioning, automotive, battery, and chip customers simultaneously.
Company profile by LineVest editorial. Journalism, not investment advice.
Foosung coverage
LineVest covered Korean listings through July 2026. This page is kept as an archive; current coverage is the U.S. market.
Browse the latest reports →Frequently asked questions
What does Foosung do?
Foosung is a fluorine-chemistry specialist producing lithium hexafluorophosphate, the electrolyte salt used in lithium-ion batteries, alongside refrigerant gases and specialty gases for semiconductor manufacturing. It supplies electrolyte producers, battery-chain customers, and chipmakers from plants in Korea and China, combining legacy industrial products with battery-driven growth lines.
Who controls Foosung?
Foosung is controlled by the founding family behind Foosung Group, a mid-sized Korean business group whose affiliates span chemicals, defense electronics, refractories, construction, and trading. Family and affiliate holdings dominate the shareholder register, keeping strategic control of the chemical flagship within the group's ownership circle.
How can foreign investors get exposure to Foosung?
The shares are listed on the Korea Exchange under ticker 093370 and can be traded through brokerages that offer access to Korean equities, typically via a local registration or omnibus account. Some Korea-focused and battery-materials index products have also included the stock, providing an indirect route.
Answers are editorial summaries for general information, not investment advice.
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