December 30th News On December 30th, the acetic anhydride market showed a strong upward trend. The mainstream ex-factory price of acetic anhydride in the Shandong region was reported at 4,000–4,100 yuan/ton, an increase of 50 yuan/ton. Actual transactions are subject to negotiation. Chempricehub Analysis of Acetic Anhydride Bull-Bear Score: 1.5 The article reports that the ex-factory price of acetic anhydride has increased by 50 yuan/ton to 4,000–4,100 yuan/ton, with the market showing a strong upward trend. This indicates a tightening of spot supply or an increase in demand, which significantly benefits the spot price of acetic anhydride. The spot market is expected to continue strengthening in the short term, but there is no relevant data impact analysis for the futures market.