China Railway Construction Corporation Limited is a listed construction enterprise based in Beijing, China, that was the second largest construction and engineering company in the world by revenue in 2014. The limited company was incorporated in 2007 in order to float the assets of China Railway Construction Corporation [Group] in Shanghai and Hong Kong stock exchange. CRCCG retained some assets which was deemed not suitable to float in the stock exchange. Following the 2022 Russian invasion of Ukraine the company continued doing business in Russia, including discussing building a tunnel to Crimea. For this reason Ukraine listed CRCC as an International Sponsors of War. Wikipedia