The Chinese copper smelter Nanko, owned by Guangxi Nanko Copper Co., had the largest production capacity worldwide, amounting to ** metric tons as of 2025. Other copper smelters in India, Indonesia, and Japan were also ranked among the six leading global copper smelters based on capacity.
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ICSG. (October 13, 2025). Leading copper smelters worldwide in 2025, based on capacity (in 1,000 metric tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 23, 2026, from /statistics/1180198/leading-copper-smelters-capacity-globally/
ICSG. "Leading copper smelters worldwide in 2025, based on capacity (in 1,000 metric tons)." Chart. October 13, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 23, 2026. /statistics/1180198/leading-copper-smelters-capacity-globally/
ICSG. (2025). Leading copper smelters worldwide in 2025, based on capacity (in 1,000 metric tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 23, 2026. /statistics/1180198/leading-copper-smelters-capacity-globally/
ICSG. "Leading Copper Smelters Worldwide in 2025, Based on Capacity (in 1,000 Metric Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 13 Oct 2025, /statistics/1180198/leading-copper-smelters-capacity-globally/
ICSG, Leading copper smelters worldwide in 2025, based on capacity (in 1,000 metric tons) ÌÇÐÄÆƽâ°æ, /statistics/1180198/leading-copper-smelters-capacity-globally/ (last visited July 23, 2026)
Leading copper smelters worldwide in 2025, based on capacity (in 1,000 metric tons) [Graph], ICSG, October 13, 2025. [Online]. Available: /statistics/1180198/leading-copper-smelters-capacity-globally/
