On January 12, the latest propylene quotation from Dongying Hualian Petrochemical Plant Co., Ltd. was raised, with the ex-factory self-pickup price increased by 20 yuan/ton to 5,853 yuan/ton. The 120,000-ton/year propylene unit is operating smoothly. PriceSeek analysis of propylene, long-short score: 1. The ex-factory self-pickup price of propylene increased by 20 yuan/ton to 5,853 yuan/ton, indicating that the company proactively raised its quotation, reflecting tight supply and demand in the spot market or strengthened cost support. The smooth operation of the production unit (120,000 tons/year) rules out supply disruption factors, and the price increase may be driven by a recovery in terminal demand, which is favorable for spot prices. Considering market dynamics, this price adjustment constitutes a generally positive signal for the propylene spot market and may boost buyer sentiment in the short term.