On January 13, Shandong Hualu Hengsheng's bulk acetic anhydride price was quoted at 4,430 yuan/ton, an increase of 30 yuan/ton. Actual transaction prices are subject to negotiation. PriceSeek analysis of acetic anhydride, long-short rating: 1. The spot price of acetic anhydride rose by 30 yuan/ton, indicating tightening market supply or recovering demand, which is favorable for spot prices. Specifically, the price increase by Shandong Hualu Hengsheng reflects stronger upstream cost support or improved downstream purchasing enthusiasm, potentially driving further short-term spot price strength. It is recommended to monitor actual transaction dynamics to confirm demand sustainability.