Chanhen(SZ:002895) Xin Lang Cai Jing·2025-09-12 09:01Group 1 - Guizhou Chuanheng Chemical Co., Ltd. and its subsidiary Guangxi Pengyue Ecological Technology Co., Ltd. received a patent certificate from the National Intellectual Property Administration [1] - The patent number is ZL202310782879.9, titled "A Concentration Process of Fluorosilicic Acid," classified as an invention [1] - The patent application date was June 29, 2023, and the authorization announcement date is September 2, 2025, with the patent rights effective from the announcement date [1] Group 2 - The acquisition of this patent helps the company improve its intellectual property protection system and establish an innovation mechanism [1] - This development is expected to maintain the company's technological leadership and enhance its core competitiveness [1] - The announcement was made by the board of directors of Chuanheng Co. on September 13, 2025 [1]