Group 1 - China Communications Construction Group Limited has obtained a patent for a "large mooring floating box steel box unit combination structure," with authorization announcement number CN120793067B, and the application date is September 2025 [1] - China Communications Construction Group Limited was established in 2005, located in Beijing, primarily engaged in civil engineering and construction, with a registered capital of 727,402.38 million RMB [1] - China Communications Construction Group Limited has invested in 25 companies, participated in 5,000 bidding projects, holds 162 trademark registrations, 17 patents, and possesses 9 administrative licenses [1] Group 2 - China Communications Fourth Navigation Engineering Bureau Limited, established in 1983 and located in Guangzhou, primarily operates in the road transportation industry, with a registered capital of 496,568.09 million RMB [1] - China Communications Fourth Navigation Engineering Bureau Limited has invested in 123 companies, participated in 5,000 bidding projects, holds 19 trademark registrations, 2,277 patents, and possesses 655 administrative licenses [1] - China Communications First Navigation Engineering Bureau Limited, established in 1985 and located in Tianjin, primarily operates in the construction installation industry, with a registered capital of 729,483.82 million RMB [2] - China Communications First Navigation Engineering Bureau Limited has invested in 114 companies, participated in 5,000 bidding projects, holds 4,488 patent registrations, and possesses 1,131 administrative licenses [2] Group 3 - Hainan Zhelian Steel Structure Group Limited, established in 2010 and located in Haikou, primarily operates in the metal products industry, with a registered capital of 38 million RMB [2] - Hainan Zhelian Steel Structure Group Limited has invested in 10 companies, participated in 9 bidding projects, holds 21 patent registrations, and possesses 16 administrative licenses [2]
中交集团取得大型靠泊浮箱钢箱单元组合结构专利