Group 1 - Wenzhou Hongfeng (300283) announced that its subsidiary, Zhejiang Hongfeng Copper Foil Co., Ltd., has received a utility model patent certificate from the National Intellectual Property Administration for a "Polishing Device for the Edge of a Copper Foil Machine" [1] - The patent number is "ZL202422197490.0," with an application date of September 9, 2024, and an authorization announcement date of June 20, 2025 [1] - The patent has a validity period of ten years from the application date, which will enhance the company's and its subsidiaries' competitive edge through the establishment of a continuous innovation mechanism [1] Group 2 - Yipin Hong (300723) announced that its wholly-owned subsidiary has obtained a registration certificate for injectable zoledronic acid concentrated solution, which is classified as a Category B product under the national medical insurance scheme [1] - The approved injectable zoledronic acid concentrated solution was registered as a Class 4 chemical drug, which is considered equivalent to passing the consistency evaluation [1]