March 10th News — On March 10th, Changzhou Xinyang's phthalic anhydride plant has a capacity of 100,000 tons. The operating rate of the manufacturer's phthalic anhydride unit is less than 50%, with low inventory levels. Phthalic anhydride quotations have been suspended, while ortho-xylene is quoted at 10,700 yuan/ton. Some phthalic anhydride prices have reached 11,000 yuan/ton, with quotations surging and actual transaction prices also rising sharply. Chempricehub Analysis: **Phthalic Anhydride, Bull-Bear Score: 2** The article points out that Changzhou Xinyang's phthalic anhydride plant has a capacity of 100,000 tons, with an operating rate of less than 50%, low inventory levels, suspended quotations, and some prices reaching 11,000 yuan/ton. Quotations have surged, and actual transaction prices have also risen sharply. This indicates severe supply constraints and strong demand, which constitutes a significant positive factor for the spot price of phthalic anhydride. It is expected that prices will continue to rise in the short term. **Ortho-Xylene, Bull-Bear Score: 1** Ortho-xylene is quoted at 10,700 yuan/ton. As the main raw material for phthalic anhydride, the sharp rise in phthalic anhydride prices may drive an increase in demand for ortho-xylene, thereby supporting its spot price. This constitutes a general positive factor, but attention should be paid to changes in raw material supply and downstream demand.