April 16th News: Xinjiang Guotai Xinhua's 200,000-ton BDO unit began replacing burners on April 12th, with the restart time yet to be determined. Chempricehub Analysis of 1,4-Butanediol (BDO), Bull-Bear Score: 2. The shutdown of Xinjiang Guotai Xinhua's 200,000-ton BDO unit for burner replacement since April 12th, with an undetermined restart date, has led to a significant reduction in market supply. As a key chemical feedstock, this supply disruption, against the backdrop of stable demand, is expected to exacerbate tightness in the spot market and drive up prices. Given the unit's substantial scale (accounting for a certain proportion of domestic capacity) and the high uncertainty surrounding the shutdown duration, this development constitutes a major positive factor for spot prices.