奥克股份：公司新型锂电添加剂亚硫酸乙烯酯（ES）系国际上首次采用新工艺实现工业化生产

Group 1 - The company has developed a new lithium battery additive, Ethylene Sulfite (ES), which is the first in the world to achieve industrial production using a new process [2] - The production process of the new additive boasts high yield, good purity, mild reaction conditions, and is environmentally safe [2]