Anqing Petrochemical is good. Yingchuang was separated from Yingchuang. After the separation, Yingchuang became the first maintenance contractor of Anqing Petrochemical Company. Anqing Petrochemical can be said to be the head office of Yingchuang, and its business scope is wider than Yingchuang. After all, Yingchuang relies on Anqing Petrochemical to maintain its profit, so Anqing Petrochemical is better.