中科电气：公司锂电负极业务占公司营收比重达到90%以上

Group 1 - The core viewpoint of the article highlights that Zhongke Electric's lithium battery anode business accounts for over 90% of the company's revenue [1] - The fast-charging power lithium battery anode material products are positioned at an industry-leading level, serving as the company's main products [1] - These products have achieved mass application in various vehicle models [1]