On January 29, the maleic anhydride market in Shandong region remained stable. The ex-factory price of solid maleic anhydride hovered around 4,950 yuan per ton, while the ex-factory price of liquid maleic anhydride was around 4,750 yuan per ton. The auction transaction price in East China saw a slight increase of 40 yuan per ton, with downstream demand primarily driven by rigid requirements.