Group 1 - The State Intellectual Property Office of China granted a patent titled "Document Acquisition Method, Device, Computer Equipment and Storage Medium" to China General Nuclear Power Engineering Co., Ltd., Shenzhen China General Nuclear Power Engineering Design Co., Ltd., China General Nuclear Power Group Co., Ltd., and China General Nuclear Power Corporation [1] - China General Nuclear Power Engineering Co., Ltd. was established in 1997, located in Shenzhen, with a registered capital of 3.886 billion RMB, involved in 5,000 bidding projects, and holds 3,717 patents [1] - Shenzhen China General Nuclear Power Engineering Design Co., Ltd. was established in 2005, also located in Shenzhen, with a registered capital of 79.36 million RMB, involved in 1,518 bidding projects, and holds 1,277 patents [1] Group 2 - China General Nuclear Power Group Co., Ltd. was established in 1994, located in Shenzhen, with a registered capital of 14.87337 billion RMB, involved in 1,486 bidding projects, and holds 5,000 patents [2] - China General Nuclear Power Corporation was established in 2014, located in Shenzhen, with a registered capital of 50.49861 billion RMB, involved in 352 bidding projects, and holds 5,000 patents [2]