Group 1 - The State Intellectual Property Office of China has published a patent application by China Railway High-tech Industry Co., Ltd. and China National Railway Group Co., Ltd. for a "Power Transmission Mechanism and Track System" [1] - The patent aims to improve the structural stability and power transmission characteristics of railway switch points, featuring a compact design with high structural strength and adaptability [1] - The patent application was filed on May 2025, with the publication number CN120367089A [1] Group 2 - China Railway High-tech Industry Co., Ltd. was established in 1999, located in Beijing, with a registered capital of 222,155.1588 million RMB [2] - The company has invested in 28 enterprises, participated in 5,000 bidding projects, and holds 707 patents along with 21 trademark registrations [2] - China National Railway Group Co., Ltd. was founded in 2013, also based in Beijing, with a registered capital of 173,950,000 million RMB [2] - This company has invested in 36 enterprises, engaged in 5,000 bidding projects, and possesses 5,000 patents and 805 trademark registrations [2]