According to South Korea's Fair Trade Commission on July 7, four corn starch manufacturers—Daesang, Sajo CPK, Samyang Foods, and CJ CheilJedang—entered enforcement proceedings for bid-rigging in starch procurement and price-fixing in by-products.
The companies engaged in collusion from September 2016 to June 2025 in starch purchases by seven major clients, with affected sales reaching 940 billion won. Price-fixing of by-products occurred from August 2017 to October 2025, affecting 1.55 trillion won in sales. Maximum fines can reach 1.88 trillion won for bid-rigging and 3.1 trillion won for by-product price-fixing.