On January 4th, the maleic anhydride market in Shandong region experienced a slight increase. The ex-factory price for solid maleic anhydride was around 4,850 yuan/ton, while the ex-factory price for liquid maleic anhydride was around 4,450 yuan/ton. The auction transaction price in Yantai rose by 40 yuan/ton, with market transactions primarily driven by rigid demand. Chempricehub's analysis of maleic anhydride indicates a bullish-bearish score of +1. The article highlights a slight increase in the maleic anhydride market in Shandong, with solid maleic anhydride priced at approximately 4,850 yuan/ton and liquid maleic anhydride at around 4,450 yuan/ton. The auction transaction price in Yantai increased by 40 yuan/ton, suggesting tight supply-demand dynamics or stable demand, driving spot prices upward. Market transactions were mainly driven by rigid demand, with limited price increases and no significant fluctuations, resulting in a moderate positive impact on maleic anhydride spot prices, scoring +1.