On May 9th, the phthalic anhydride market in Shandong Province showed a weak downward trend, with negotiations for ortho phthalic anhydride sources ranging from 6800-7000RMB/ton and naphthalene phthalic anhydride sources ranging from 6700-6900RMB/ton. The price of raw material ortho phthalic anhydride fluctuated and stabilized, while the price of industrial naphthalene remained stable.

The cost of phthalic anhydride stabilized, and downstream plasticizer prices fell. Phthalic anhydride manufacturers increased equipment production, resulting in an overall increase in phthalic anhydride market supply. Plasticizer companies maintained stable loads, and their enthusiasm for purchasing phthalic anhydride continued to exist.

However, the phthalic anhydride market remained weak and declined in the future.

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