March 24th News: On March 24th, the phthalic anhydride plant of Changzhou Xinyang has a capacity of 100,000 tons, with the operating rate of the manufacturer's phthalic anhydride equipment below 50%. Inventory is at a low level, and the phthalic anhydride quotation is 9,100 yuan/ton, an increase of 250 yuan/ton. Chempricehub analysis of phthalic anhydride, bullish-bearish score: 2. The operating rate of Changzhou Xinyang's phthalic anhydride plant is below 50%, and inventory is low, indicating a significant reduction in supply. At the same time, the quotation has increased by 250 yuan/ton to 9,100 yuan/ton, reflecting tight market supply and strong demand, which constitutes a significant positive factor for spot prices and may drive short-term prices further upward.