On January 15, Shandong Lihuayi Weiyuan Chemical adjusted the ex-factory listed price of propylene glycol to 5,500 yuan/ton, an increase of 100 yuan/ton. PriceSeek analysis of propylene glycol, with a long-short score of 1: Shandong Lihuayi Weiyuan Chemical raised the ex-factory listed price of propylene glycol by 100 yuan/ton to 5,500 yuan/ton, reflecting suppliers' positive expectations for market demand. This move may stem from rising costs or tight supply, directly supporting spot prices, stimulating downstream purchasing willingness, and driving market conditions upward. Therefore, it generally has a positive impact on the spot price of propylene glycol.