Key Takeaways POSCO advances a full rare earth supply chain via POSCO International, from sourcing to EV magnet production. PKX invests KRW 25B in refining tech and expands sourcing in Southeast Asia for key EV materials supply. POSCO International targets 3,000-ton refining by 2027 and magnet output by 2028 to boost EV value capture. POSCO Holdings Inc. (PKX) , through its subsidiary POSCO International, is advancing a comprehensive strategy to establish a fully integrated rare earth supply chain. It aims ...