On January 12, the DBP market in Jiangsu region showed strong consolidation, with quotations at 6,850 yuan/ton. In Shandong region, the DBP market exhibited strong consolidation, with quotations at 6,750 yuan/ton. In Zhejiang region, the DBP market also demonstrated strong consolidation, with quotations at 7,000 yuan/ton. On January 12, the price of n-butanol, a raw material for plasticizer DBP, fluctuated and rose, while the price of phthalic anhydride increased. The price of isooctanol remained strong and stable. The cost of DBP raw materials rose, while PVC prices fluctuated and consolidated. Downstream demand remained sluggish, and DBP production equipment experienced a slight decline in operating rates. DBP supply was sufficient, with low inventory levels at DBP plants. Downstream customers showed moderate purchasing enthusiasm, and transaction prices were subject to negotiation. The DBP price ranged from 6,750 to 7,000 yuan/ton. The DBP market exhibited strong consolidation, with downward pressure easing and upward momentum still present, leading to a strong consolidation in the DBP market.