March 20th News: On March 20th, the ex-factory price of acetic anhydride at Shandong Yankuang was reported at 5,100 yuan/ton, an increase of 100 yuan/ton. Actual transactions are primarily negotiated, with its 100,000-ton/year plant operating stably. Chempricehub analysis of acetic anhydride, long-short score: 1. The ex-factory price of acetic anhydride increased by 100 yuan/ton to 5,100 yuan/ton, a 2% rise, indicating tight market supply and demand or rising costs, which is favorable for spot prices. The plant is operating stably, but the price increase may boost market confidence and drive short-term spot market strength.