Core Insights - Three companies, China Nuclear Industry Fifth Construction Co., Ltd., China Zhongyuan Foreign Engineering Co., Ltd., and China Nuclear Industry Construction Co., Ltd., have obtained a patent for a method and device for measuring arc length, with the patent number CN120765654B, applied for on September 2025 [1][2]. Company Summaries - China Nuclear Industry Fifth Construction Co., Ltd.: Established in 1989 and located in Shanghai, this company primarily engages in the construction and installation industry. It has a registered capital of 717.8751 million RMB. The company has invested in 19 enterprises, participated in 5000 bidding projects, holds 3 trademarks, 530 patents, and possesses 271 administrative licenses [1]. - China Zhongyuan Foreign Engineering Co., Ltd.: Founded in 1983 and based in Beijing, this company focuses on the housing construction industry. It has a registered capital of 608.5657 million RMB. The company has invested in 12 enterprises, participated in 1297 bidding projects, holds 19 trademarks, 53 patents, and has 115 administrative licenses [1]. - China Nuclear Industry Construction Co., Ltd.: Established in 2010 and located in Shanghai, this company specializes in civil engineering construction. It has a registered capital of 3013.834212 million RMB. The company has invested in 31 enterprises, participated in 5000 bidding projects, holds 34 patents, and has 14 administrative licenses [2].
中核五建等取得电弧长度测量方法及其装置与存储介质专利