Group 1: Industry Events - The 2025 (4th) High-Performance Energy Storage Industry Summit will be held on July 1-2, 2025, in Hangzhou, Zhejiang, focusing on commercial transformation and restructuring [1] - The 2025 High-Performance New Energy Materials Industry Conference is scheduled for July 8-9, 2025, in Qionglai, Chengdu, emphasizing new materials and new ecosystems [1] Group 2: Company Developments - HeYuan Lithium Innovation has recently delivered high-performance solid-state batteries for drones, focusing on solid-state lithium-ion battery products since its establishment in January 2023 [2] - Zhuhai Guanyu has been designated as a supplier for Dongfeng Nissan, tasked with developing and supplying low-voltage lithium batteries for vehicles [3][4] - Funeng Technology plans to deliver 60Ah sulfide all-solid-state batteries in small batches to strategic partners by the end of 2025, with an energy density of 400Wh/kg to 500Wh/kg [6] - Yunnan Transportation Group and CATL have initiated a cross-border battery swap line between Panzhihua and Mohan, achieving rapid battery swaps in 3 to 5 minutes and reducing transportation costs by over 20% compared to traditional fuel vehicles [8] Group 3: Material Developments - Youyan New Materials announced plans to sell its lithium battery materials business, with a minimum listing price of 109.5 million yuan, focusing on sulfide solid electrolyte raw materials [10] - Meilian New Materials has small batch orders for semi-solid battery separators and is developing solid-state battery-related businesses, with current revenue contribution being relatively small [11]