March 4th News: On March 4th, Shandong Lihuayi Weiyuan Chemical announced an increase of 100 yuan/ton in the ex-factory listed price of propylene glycol, reaching 5,700 yuan/ton. Chempricehub analysis of propylene glycol, Bull-Bear Score: 1. The article reports that Shandong Lihuayi Weiyuan Chemical raised the ex-factory listed price of propylene glycol by 100 yuan/ton to 5,700 yuan/ton on March 4th, indicating enhanced market confidence from producers and a tight supply-demand balance or strong support from the demand side. This directly benefits spot prices and may reflect rising raw material costs or a recovery in downstream demand, potentially driving market quotations higher in the short term.