Group 1 - The fifth "Two-Wheeled Vehicle Battery Swap Conference" will be held on July 11, 2025, in Shenzhen, focusing on the theme "Battery Swap City, Smart Two-Wheelers" [1] - The conference is organized by multiple entities including Qidian Lithium Battery and Qidian Solid-State Battery, with sponsorship from various companies in the battery and electric vehicle sectors [1] - Key projects in Qinghai and Hangzhou are set to commence this month, including a lithium-ion battery silicon-carbon composite anode material project and a perovskite optoelectronic semiconductor production base [1][2] Group 2 - The Qinghai silicon-carbon composite anode material project has a total investment of approximately 800 million yuan, aiming for an annual production capacity of 30,000 tons through five production lines [2] - This project is expected to enhance the energy density of power batteries and facilitate the transition of Xining Economic Development Zone from a traditional industrial cluster to a high-end new energy materials innovation hub [2] - The project has completed investment agreements, with facility upgrades and equipment procurement progressing simultaneously, and is expected to be operational within five months [2]