Core Viewpoint - The State Intellectual Property Office of China has granted a patent to Pulin Chengshan (Shandong) Tire Co., Ltd. for a composite material made of fluororubber and aramid fiber, along with its preparation method [1] Group 1 - The patent is titled "A Fluororubber Aramid Fiber Composite Material and Its Preparation Method" [1] - The patent authorization announcement number is CN120944261B [1] - The application date for the patent was September 2025 [1]