Group 1 - The company has previously engaged in sales of multimedia charging pile products to overseas enterprises through BYD, but there is currently no direct business cooperation with BYD [2] - The company's subsidiary, Yingjie New Energy, was involved in the past collaboration with BYD [2] - The inquiry about the depth of cooperation with BYD was addressed on the investor interaction platform [2]

Group 1 - The core point of the article is that Yingjie Electric (300820.SZ) has stated that its subsidiary, Yingjie New Energy, previously sold multimedia charging pile products to overseas companies through BYD, but there has been no direct business cooperation with BYD in recent years [1] Group 2 - Yingjie Electric's subsidiary engaged in sales of charging products through a partnership with BYD in the past [1] - The company has clarified that it does not currently have any direct business dealings with BYD [1]