中铁山桥取得超大桥梁构件加工方法及设备专利
Sou Hu Cai Jing·2026-01-06 05:52

Group 1 - The State Intellectual Property Office has granted a patent for "Processing Methods and Equipment for Super Large Bridge Components" to four companies, including China Railway Shanhaiguan Bridge Group Co., Ltd. and China Railway Southern Engineering Equipment Co., Ltd. [1] - China Railway Shanhaiguan Bridge Group Co., Ltd. was established in 2001, located in Qinhuangdao, with a registered capital of 1.67 billion RMB. The company has participated in 5,000 bidding projects and holds 576 patents [1]. - China Railway Southern Engineering Equipment Co., Ltd. was founded in 2010, located in Zhongshan, with a registered capital of 750 million RMB. The company has participated in 224 bidding projects and holds 34 patents [1]. Group 2 - Guangdong Bay Area Transportation Construction Investment Co., Ltd. was established in 2021, located in Guangzhou, with a registered capital of 1 billion RMB. The company has participated in 1,333 bidding projects and holds 161 patents [2]. - Guangdong Provincial Highway Construction Co., Ltd. was founded in 1987, located in Guangzhou, with a registered capital of 14.3 billion RMB. The company has invested in 19 enterprises, participated in 2,256 bidding projects, and holds 353 patents [2].