March 9th News: On March 9th, the market price of phthalic anhydride in East China showed an upward trend. The mainstream quotation for ortho-xylene-based phthalic anhydride was between 8,000 and 8,500 yuan per ton, while the market price for naphthalene-based phthalic anhydride ranged from 7,800 to 8,000 yuan per ton. The geopolitical crisis in the Middle East has driven up crude oil prices, leading to increased costs. Industrial naphthalene prices have surged significantly, and ortho-xylene prices have also risen, contributing to higher production costs for phthalic anhydride. Meanwhile, downstream plasticizer prices have increased, prompting plasticizer manufacturers to ramp up equipment utilization rates. Downstream demand remains steady, with purchases primarily driven by immediate needs. The demand for phthalic anhydride continues to provide support. Phthalic anhydride manufacturers have also increased their equipment utilization rates, ensuring ample supply. Current inventory levels of phthalic anhydride are low, and it is anticipated that the market price of phthalic anhydride will continue to rise in the near future.