Facility
Korea Zinc Onsan Smelter (Ulsan)
Korea Zinc's Onsan smelter in the Onsan National Industrial Complex, Ulsan — the world's largest single-site producer of zinc, lead, and silver, and the only Korean facility with an indium processing line. Produces ~150 tonnes of indium/year at 99.999% purity. Approximately 90% of output exported to US, Japan, and Taiwan. Korea Zinc is investing in gallium production at the same Ulsan complex to diversify critical minerals output. Source: Seoul Economic Daily; Korea Herald; Korea Zinc annual reports.
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Inputs produced
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Goods downstream
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Incidents on record
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Stories
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