信音电子：公司没有锂电池业务，有研发及生产销售电池相关连接器

Core Viewpoint - The company, Xinyin Electronics (301329.SZ), confirmed that it does not engage in the lithium battery industry but focuses on the research, development, production, and sales of battery-related connectors [2] Company Information - Xinyin Electronics does not have a lithium battery business [2] - The company specializes in battery-related connectors [2] - Detailed information about the company's main products and major clients can be found in its public disclosures, including periodic reports and temporary announcements [2]