中铁桥研科技取得超低频杠杆调谐质量阻尼器专利

Group 1 - China Railway Bridge Research Technology Co., Ltd. has obtained a patent for "a super low-frequency lever-tuned mass damper and its design method," with authorization announcement number CN116591331B, applied on April 2023 [1] - China Railway Bridge Research Technology Co., Ltd. was established in 1992, located in Wuhan, with a registered capital of 50 million RMB, and has participated in 299 bidding projects, holds 11 trademark records, 266 patent records, and has 8 administrative licenses [1] - Shenzhen Expressway Investment Co., Ltd. was established in 2011, located in Shenzhen, with a registered capital of 1 billion RMB, has invested in 6 companies, participated in 181 bidding projects, holds 3 patent records, and has 6 administrative licenses [1] Group 2 - Guizhou Guishen Investment Development Co., Ltd. was established in 2011, located in Qiannan Buyi and Miao Autonomous Prefecture, with a registered capital of 500 million RMB, has invested in 1 company, participated in 129 bidding projects, holds 9 patent records, and has 9 administrative licenses [1] - China Railway Major Bridge Engineering Group Co., Ltd. was established in 2001, located in Wuhan, with a registered capital of 4.278 billion RMB, has invested in 87 companies, participated in 5000 bidding projects, holds 11 trademark records, 3669 patent records, and has 631 administrative licenses [2]