On February 3, the DBP market in Jiangsu region stabilized, with quotations at 8,000 yuan/ton. In Shandong region, the DBP market also stabilized, with quotations at 7,900 yuan/ton, while in Zhejiang region, the DBP market remained stable, with quotations at 8,100 yuan/ton. On February 3, the price of n-butanol, a raw material for the plasticizer DBP, fell from a high level. The phthalic anhydride market showed weak consolidation, and the price of isooctanol experienced a weak decline. The cost of DBP raw materials weakened and declined. PVC prices fluctuated with consolidation, and downstream demand remained sluggish. DBP production equipment saw a slight increase in operating rates, leading to sufficient DBP supply. DBP factory inventories were at low levels, while downstream customers showed moderate purchasing enthusiasm. Transaction prices were subject to negotiation, with DBP prices ranging from 7,850 to 8,100 yuan/ton. The DBP market exhibited weak consolidation, with downward pressure persisting and upward momentum weakening, indicating a continued trend of weak consolidation in the DBP market.