On September 26, the market price trend of phthalic anhydride in North China declined. The mainstream quotation of o-phthalic anhydride on the market was 8600-8700 yuan/ton, and the market price of naphthalene-based phthalic anhydride was 8000-8100 yuan/ton. The downstream plasticizer market fluctuated. The price of orthobenzene is temporarily stable, with downstream procurement mainly based on demand, and the price trend will decline in the later period.
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