On December 31, the market for DBP in Jiangsu region stabilized, with a quoted price of 6750 RMB/ton. The market for DBP in Shandong region also stabilized, with a quoted price of 6700 RMB/ton. The market for DBP in Zhejiang region also stabilized, with a quoted price of 6900 RMB/ton. On December 31, the price of raw materials for DBP, including n-butanol, experienced fluctuations and increased, while the price of anhydride rose. The price of isopropyl alcohol also increased, leading to an increase in the cost of DBP raw materials. The price of PVC fluctuated but remained steady. Downstream demand was weak, and equipment operation levels at DBP companies were low, maintaining a supply of DBP. Factory inventory levels were low, and the purchasing enthusiasm of downstream customers was moderate. The transaction prices were based on negotiated prices. The price of DBP ranged from 6700 to 6900 RMB/ton. The price of DBP remained strong and stable, indicating that the pressure for a downward movement in market prices has weakened, while upward momentum remains.