On May 28, Chempricehub reported that the maleic anhydride market in Jiangsu province experienced a downward trend. The ex-factory price for solid maleic anhydride ranged from approximately 7,000 to 7,500 RMB per ton, while liquid maleic anhydride was priced around 7,400 to 7,500 RMB per ton. Downstream operations remained cautious.