On December 26, 2025, Shanxi Lu’an Chemical Technology Co., Ltd. Sales Branch conducted an auction for polyester-grade ethylene glycol (coal-based) in the morning (bidding time: 10:30–10:40). The auction quantity was 300 tons, with the delivery address at Shouyang Chemical. The starting price was 3,360 RMB/ton, including tax and ex-factory, which was 20 RMB/ton lower than the previous trading day.