May 13 News - Shaanxi Black Cat's 60,000-ton BDO plant underwent maintenance shutdown on April 10 and is currently restarting on May 13, with no spot quotes available. Chempricehub evaluates 1,4-butanediol with a bull/bear rating of -1. Shaanxi Black Cat's 60,000-ton 1,4-butanediol (BDO) plant has completed its maintenance shutdown and initiated the restart process on May 13. The previous maintenance phase reduced market supply, and the restart will gradually release production capacity, increasing overall market supply levels. With no significant bullish support on the demand side, this generally exerts a mildly bearish impact on spot prices of 1,4-butanediol.