On January 5th, the maleic anhydride market in Jiangsu region experienced a slight increase. The ex-factory price for solid maleic anhydride was approximately 4,900 yuan per ton, while the ex-factory price for liquid maleic anhydride was around 4,850 yuan per ton. The auction transaction price in East China rose by 30 yuan per ton, and the market for liquid maleic anhydride in surrounding areas also saw a modest uptick.