Core Viewpoint - Hongchang Electronics (603002.SH) is actively investing in high-frequency and high-speed resin, including hydrocarbon resin, and has made significant progress in patent acquisition [1] Group 1 - The company has obtained 17 national invention patents related to high-frequency and high-speed resin [1] - There are 3 additional invention patents currently under application [1] - Detailed information regarding the patents, including names and contents, can be found in the company's periodic reports disclosed on the Shanghai Stock Exchange website [1]