FTC inspects four manufacturers of sesame oil prices as a cartel. Four edible oil manufacturers are suspected of violating antitrust laws by forming a cartel to unfairly raise the price.

The Fair Trade Commission is expected to investigate the details of the incident by analyzing materials obtained during the on-site inspection and interviewing those involved. These are the four companies of the Sei Oi Rio Group. According to sources, these four companies hold a large share of the domestic sesameOil market, which has a market size of approximately 45 billion yen.