环氧丙烷概念反复活跃 红宝丽4连板

Group 1 - The core viewpoint of the article highlights the active performance of companies related to propylene oxide, with Hongbaoli achieving a four-day consecutive increase in stock price [1] - Several companies, including Hongbaoli, Hongqiang Co., and Yida Co., have shown significant stock price increases, with Hongbaoli achieving a four-day consecutive rise and Yida Co. rising over 10% [1] - Major global chemical giants, Covestro and LyondellBasell, have announced the permanent closure of their joint propylene oxide production facilities, which have an annual production capacity of approximately 315,000 tons [1]