On January 13, the DBP market in Jiangsu region showed strong consolidation, with a quoted price of 6,850 yuan/ton. In Shandong region, the DBP market also exhibited strong consolidation, with a quoted price of 6,750 yuan/ton. Meanwhile, in Zhejiang region, the DBP market demonstrated strong consolidation, with a quoted price of 7,100 yuan/ton.

On January 13, the price of n-butanol, a raw material for the plasticizer DBP, experienced volatile increases. The price of phthalic anhydride rose, while the price of isooctanol remained strong and stable. The cost of DBP raw materials increased, while PVC prices showed volatile consolidation. Downstream demand remained weak, and DBP production equipment experienced a slight decline in operating rates. DBP supply remained ample, with low inventory levels at DBP plants. Downstream customers showed moderate purchasing enthusiasm, and transaction prices were determined through negotiation. The price range for DBP was 6,750–7,100 yuan/ton. DBP prices remained strong and consolidated, with reduced downward pressure and continued upward momentum, indicating a strong consolidation trend in the DBP market.