January 13th News On January 13th, Shandong Lihuayi Weiyuan Chemical adjusted the ex-factory listed price of propylene glycol to 5,400 yuan per ton, representing an increase of 100 yuan per ton. Chempricehub Analysis on Propylene Glycol, Bull-Bear Score: 1 Shandong Lihuayi Weiyuan Chemical raised the ex-factory listed price of propylene glycol by 100 yuan per ton to 5,400 yuan per ton, indicating tight market supply or increased demand, which is favorable for spot prices. The price hike directly reflects rising production costs or strong downstream demand and is expected to drive further increases in spot prices in the short term, positively impacting related trading and procurement activities.