华密新材:关于取得发明专利证书的公告
Core Points - The company, Huami New Materials, announced the acquisition of a national invention patent for a production method of self-lubricating bearings [2] - The patent number is ZL 2024 1 1487205.7, and the authorization announcement date is December 2, 2025 [2] - The patent is registered under the name of Hebei Huami New Materials Technology Co., Ltd [2]