The trio pledged 392 trillion won to build a tech and biotech hub, with new OLED, HBM, and biopharma capacity plus a 1-gigawatt AI data center in the pipeline. What's going on here? Samsung Electronics, SK Hynix, and Celltrion pledged a combined 392 trillion won ($254 billion) to turn South Korea’s Chungcheong region into a new tech-and-biotech hub, spanning OLED displays, memory chips, chip “advanced packaging,” and more biopharma manufacturing. What does this mean?