On January 16, the maleic anhydride market in Jiangsu region experienced a slight increase, with solid maleic anhydride ex-factory prices around 4,900 yuan/ton and liquid maleic anhydride ex-factory prices around 4,850 yuan/ton. The auction transaction prices in East China remained stable, while the supply of liquid maleic anhydride in surrounding areas decreased, with transactions primarily driven by rigid demand. PriceSeek's analysis of maleic anhydride indicates a bullish-bearish score of +1. The article shows that the maleic anhydride market in Jiangsu region saw a slight uptick, with solid maleic anhydride ex-factory prices around 4,900 yuan/ton and liquid maleic anhydride ex-factory prices around 4,850 yuan/ton. The reduction in liquid maleic anhydride supply in surrounding areas has led to tight supply, while transactions are mainly driven by rigid demand, keeping demand stable. This supports the upward movement of spot prices, indicating a slight bullish factor. The score of +1 (generally positive) reflects the positive impact of tight supply and demand in the spot market on prices.