March 10th News: On March 10th, the market price of phthalic anhydride in East China showed an upward trend. The mainstream quotation for ortho-xylene-based phthalic anhydride was 11,000–11,500 yuan/ton, while the market price for naphthalene-based phthalic anhydride ranged from 10,800 to 11,000 yuan/ton. Geopolitical tensions in the Middle East have led to a sharp rise in crude oil prices, driving up costs. The price of industrial naphthalene has increased significantly, with ortho-xylene quoted at 10,700 yuan/ton, representing a substantial surge. As a result, the production cost of phthalic anhydride has risen. Downstream, the plasticizer market has experienced a significant price increase, prompting plasticizer manufacturers to ramp up equipment operating rates. Downstream industries are making essential purchases, with phthalic anhydride procurement primarily based on demand. Demand support for phthalic anhydride remains intact. Phthalic anhydride manufacturers have also increased their equipment operating rates, ensuring sufficient supply. Current phthalic anhydride inventory levels are low. It is anticipated that the phthalic anhydride market will see a substantial price increase in the near future.