Group 1 - The 2026 (Second) Starting Point Lithium Battery Cylindrical Battery Technology Forum and the Top 20 Cylindrical Battery Rankings Conference will be held on April 10, 2026, in Shenzhen [2][4] - The event theme is "All-Ear Technology Leap, Leading the Large Cylindrical Market" [2] - Major sponsors and speakers include companies such as Penghui Energy, Duofuduo New Energy, and Chuangming New Energy [2][5] Group 2 - On March 17, Nanjing's Gaochun District signed 8 major projects with a total investment of approximately 5.63 billion yuan, covering key industries such as new energy batteries and new materials [3] - Three projects with a total investment of 1 billion yuan each include a battery structure component manufacturing base and a liquid milk production base [3] - Gaochun District aims to attract more significant projects by focusing on core automotive components, new displays, and urban food industries [3]