Group 1 - The State Intellectual Property Office of China granted a patent titled "A Risk Identification and Response Method Based on Target Detection and Edge-Cloud Collaboration" to three subsidiaries of China Metallurgical Group Corporation [1] - China Metallurgical Huati Engineering Technology Co., Ltd. was established in 2004, located in Ma'anshan City, with a registered capital of 8.23258663 billion RMB, and has participated in 5,000 bidding projects [1] - China Metallurgical Huati Nanjing Engineering Technology Co., Ltd. was established in 2006, located in Nanjing City, with a registered capital of 800 million RMB, and has participated in 2,754 bidding projects [1] Group 2 - China Metallurgical Huati Nanjing Electrical Engineering Technology Co., Ltd. was established in 2007, located in Nanjing City, with a registered capital of 50 million RMB, and has participated in 269 bidding projects [2] - The three companies collectively hold a significant number of patents, with China Metallurgical Huati Engineering Technology Co., Ltd. having 3,152 patents, China Metallurgical Huati Nanjing Engineering Technology Co., Ltd. having 2,303 patents, and China Metallurgical Huati Nanjing Electrical Engineering Technology Co., Ltd. having 224 patents [1][2]