信音电子：公司没有涉足电池组装业务
Group 1 - The company does not engage in battery assembly business [2] - The company advises investors to refer to its periodic reports and announcements for detailed information on its main products [2]
Group 1 - The company does not engage in battery assembly business [2] - The company advises investors to refer to its periodic reports and announcements for detailed information on its main products [2]