How many classes are there in Guixi Lihai Chemical Plant?

12 hour double shift. According to official website, Hunan Lihai Chemical Co., Ltd., Guixi Company set up a technical research team with the company headquarters, Fumeishi Company and Changde Company, and participated in the trial production debugging and testing in the form of 12-hour double shift, which fully demonstrated the corporate culture spirit of "unity and forge ahead, seeking truth from facts and innovation" of Li Hairen.