On February 5th, Dongying Hualian Petrochemical Plant Co., Ltd. announced a price increase for propylene. The ex-factory self-pickup price was raised by 10 yuan/ton to 6,393 yuan/ton. The 120,000-ton/year propylene unit is operating stably. PriceSeek analysis of propylene, with a bullish-bearish score of +1: The article reports that Dongying Hualian Petrochemical Plant has increased the ex-factory self-pickup price of propylene by 10 yuan/ton to 6,393 yuan/ton, indicating tight spot market supply or increased demand, driving the price upward. The stable operation of the 120,000-ton/year unit eliminates the risk of supply disruptions. This price adjustment directly benefits the spot price of propylene, reflecting bullish market sentiment. The increase is relatively small (approximately 0.16%), classifying it as a general positive factor, with a score of +1.