On January 9, Fujian Gulei Petrochemical raised its diethylene glycol (DEG) quotations. The latest ex-factory pickup price at Gulei is 3,150 yuan/ton, while the pickup price for Dongguan is 3,250 yuan/ton. The 700,000-ton/year ethylene glycol unit is operating at 80% capacity. PriceSeek analysis of diethylene glycol, with a bullish-bearish score of 1.5: Fujian Gulei Petrochemical has increased its DEG quotations, with ex-factory pickup at 3,150 yuan/ton and Dongguan pickup at 3,250 yuan/ton, indicating tightening spot market supply or strengthening demand, which directly supports prices. The unit operating at 80% capacity limits production output, further supporting the upward price adjustment. However, attention should be paid to the sustainability of subsequent demand. Therefore, a relatively high bullish score is assigned, and spot prices are expected to strengthen in the short term.