比亚迪公布国际专利申请：“电池组件及用电设备”

Group 1 - BYD has announced 602 international patent applications this year, representing an increase of 91.11% compared to the same period last year [3] - The company invested 29.596 billion yuan in research and development in the first half of this year, which is a year-on-year increase of 50.84% [3]