On January 15, the maleic anhydride market in Jiangsu region remained weak and stable. The ex-factory price for solid maleic anhydride was around 4,900 yuan per ton, while the ex-factory price for liquid maleic anhydride was around 4,800 yuan per ton. The auction in East China was not fully concluded, with prices dropping by 20 yuan per ton. The supply of liquid maleic anhydride in surrounding areas decreased, and transactions were primarily driven by rigid demand.