On January 7, Yanshan Petrochemical raised the ex-factory settlement price of acetone by 100 yuan to 4,300 yuan per ton, effective from January 7. PriceSeek analysis of acetone, with a bullish-bearish score: On January 7, Yanshan Petrochemical increased the ex-factory settlement price of acetone by 100 yuan per ton to 4,300 yuan per ton, effective from the same day. The rise in ex-factory prices indicates increased costs on the supply side or stronger demand, providing direct positive support for spot acetone prices. It is expected that the spot market may follow the upward trend in the short term.