利安隆：公司取得发明专利证书

Core Viewpoint - Lianlong Technology Co., Ltd. has received a patent for a composite catalyst and its preparation method, which could enhance its competitive edge in the new materials sector [1] Group 1 - The patent was issued by the National Intellectual Property Administration of China on December 29, 2025 [1] - The patent covers the preparation method of salicylic acid ester compounds, indicating potential applications in various chemical processes [1]