CRCC(601186) 金融界·2025-04-05 04:37Group 1 - China Railway Construction Bridge Engineering Bureau Group Co., Ltd. applied for a patent titled "Adaptive Closing Device and Method for Steel Pipe Pile Support System," with publication number CN 119754267 A, and the application date is November 2024 [1] - The patent describes an adaptive closing device that includes a fixing device and an adapting device, designed to be applicable to various closing positions and locking mechanisms of the steel pipe pile support system, demonstrating good versatility [1] - The device features a fixed structure comprising steel profiles and a horizontal steel plate at the lower end, while the adapting device includes an arc-shaped steel plate at the upper end, which helps prevent significant displacement during insertion and provides effective lateral connection and prevention of water seepage and sand intrusion [1] Group 2 - China Railway Construction Bridge Engineering Bureau Group Co., Ltd. was established in 1988 and is located in Tianjin, primarily engaged in civil engineering construction [2] - The company has a registered capital of 320 million RMB and has made investments in 133 enterprises, participating in 5,000 bidding projects [2] - The company holds 1,679 patent records and has 3,046 administrative licenses, indicating a strong presence in intellectual property and regulatory compliance [2]