润本股份：关于公司通过高新技术企业重新认定的公告

Group 1 - The company, Runben Co., has recently been recognized as a high-tech enterprise by the National High-tech Enterprise Recognition Management Work Leading Group Office [2] - The certificate number for the high-tech enterprise recognition is GR202544006259, with an issuance date of December 19, 2025, and a validity period of three years [2] - This recognition is a re-evaluation following the expiration of the company's previous high-tech enterprise certificate [2]