Group 1 - The State Intellectual Property Office of China has granted a patent for a "marine wind energy resource detection device" to China Three Gorges Corporation, Shanghai Survey and Design Research Institute, Qingdao Huahang Environmental Technology, and Shanghai Leitan Technology [1][2] - China Three Gorges Corporation, established in 1993, is primarily engaged in electricity and heat production and supply, with a registered capital of 21.15 billion RMB [1] - The company has invested in 43 enterprises, participated in 5,000 bidding projects, holds 96 trademark registrations, and has 4,874 patents [1] - Shanghai Survey and Design Research Institute, founded in 1997, focuses on professional technical services with a registered capital of 960.13 million RMB [1] - This institute has invested in 27 enterprises, participated in 5,000 bidding projects, holds 26 trademarks, and has 2,616 patents [1] Group 2 - Qingdao Huahang Environmental Technology, established in 2014, specializes in instrument manufacturing with a registered capital of 22.15 million RMB [2] - The company has invested in 1 enterprise, participated in 151 bidding projects, holds 3 trademarks, and has 26 patents [2] - Shanghai Leitan Technology, founded in 2017, focuses on technology promotion and application services with a registered capital of 5 million RMB [2] - This company has participated in 48 bidding projects, holds 3 trademarks, and has 33 patents [2]