On January 16, the maleic anhydride market in Shandong experienced a slight increase. The ex-factory price of solid maleic anhydride hovered around 4,900 yuan per ton, while that of liquid maleic anhydride was around 4,500 yuan per ton. Major producers implemented sales suspensions, and market transactions were 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 Shandong saw a modest rise, with solid maleic anhydride priced at approximately 4,900 yuan per ton and liquid maleic anhydride at around 4,500 yuan per ton. The suspension of sales by major producers has reduced supply, potentially driving up spot prices. Market transactions are mainly driven by rigid demand, with stable but not significantly increased demand supporting a moderate price increase. Overall, these factors contribute to a generally positive impact on the spot price of maleic anhydride.