Gelonghui May 20| According to the business community commodity market analysis systemmammothmegawaysRecently, the domestic market price of phthalic anhydride has increasedmammothmegawaysAs of the end of last week, the price of o-phenylphthalic anhydride was 7950 yuan/ton, an increase of 3% from the price of 7700 yuan/ton at the beginning of the week.mammothmegaways.25%。Recently, crude oil prices have been mainly volatile, with upstream o-benzene prices remaining high, downstream DOP market showing an upward trend, and naphthalene phthalic anhydride market rising slightly. It is expected that the phthalic anhydride market may be more volatile in the later period.