How Korea Zinc Emerged as a Critical Linchpin in U.S. National Security?

By Quentin Lange

Resilience isn’t a slogan, it’s a design principle. Korea Zinc began in 1974 as a 50,000-ton zinc smelter and has grown into a diversified, global operator that intentionally avoided the mine-to-metal model. As a custom smelter, it buys feedstock on the open market and wins through metallurgical skill, speed of decision and a hedged product mix. That agility mattered this year: while zinc treatment charges hit historic lows, secondary and minor metals such as antimony, bismuth and indium surged on geopolitical dislocations, helping deliver one of the company’s strongest performances. Korea Zinc’s operating philosophy, to optimize across zinc, lead, copper and a basket of precious and critical minerals, provides a natural shock absorber when single-metal cycles turn.

That agility also manifested in the company’s decision to develop its own renewable energy projects. In Australia, its subsidiary Ark Energy demonstrated that clean energy is a competitive advantage, not merely a climate commitment. In Townsville, Yun and his team built a 125 MW solar farm and deepened their bet with a 30 percent stake in the McIntyre Wind Farm, set to be the Southern Hemisphere’s largest, alongside a grid-scale battery project that recently reached financial close. This year, Korea Zinc is commissioning a green-hydrogen pilot in Townsville to fuel on-site trucks and harden operational know-how. The initiative readies the company for the moment hydrogen and green ammonia graduate from promise to commodity, creating optionality to support Korean refining with low-carbon molecules when market conditions align. “You don’t choose to be nimble; you become nimble because survival demands it,” Chairman Yun B Choi says.

Chairman Yun B Choi of Korea Zinc

That same playbook, build capability before the market peaks, underpins Korea Zinc’s U.S. strategy. Through PedalPoint, its North American circular-resources platform, the company now controls the messy middle of recycling: transforming fragmented streams from data centers, corporates, end-of-life batteries and retired solar panels into refinery-ready feed. PedalPoint’s materials flow to Onsan, where Korea Zinc already produces around 35,000 tons of 100 percent recycled copper annually and targets 150,000 tons within five years. Solar-panel recycling has emerged as a standout, profitable both in sourcing and in smelting yields, while U.S. recycling operations are on track to return to profitability this year or deliver meaningful growth by next.

The Korea Zinc Troika Drive strategy, built on three pillars—renewable energy and hydrogen, secondary batteries and resource recycling—now shifts from concept to capacity. In Korea, the All-in-One Nickel Refinery is slated for commissioning in 2027. Designed for volatility, it can digest MHP, matte, concentrates, powders and even battery “black mass.” That flexibility is increasingly strategic as the U.S. and its allies look to de-risk supply chains from China’s dominance across critical minerals. Yun openly acknowledges the costs and complexity of building in America. Yet, he’s evaluating opportunities in nickel, copper, germanium, gallium and antimony, areas where the company has proven, China-independent know-how. With appropriate policy support, Korea Zinc could become one of Washington’s most reliable private-sector allies.

Korea Zinc intends to be standing exactly where the world needs it, converting waste into critical metals, electrons into molecules and strategy into resilient, profitable growth.

To hear more from Chairman Yun B Choi of Korea Zinc, check out this interview with him.