Does China Railway Eighth Bureau belong to state-owned enterprises or private enterprises?

China Railway Eighth Bureau is a state-owned enterprise. \x0d\ China Railway Eighth Engineering Group Co., Ltd. (hereinafter referred to as the Group) is a wholly-owned enterprise of China Railway Corporation (a fortune 500 enterprise), which was reorganized from the former Chengdu Railway Engineering Group, Kunming Railway Construction Group and Chengdu Bridge Factory. \x0d\ Eighth Bureau Group Co., Ltd. is in a leading position in railway comprehensive engineering, railway passenger dedicated line engineering, bridge construction, ballastless track, ballastless turnout, complete sets of construction equipment, CA mortar formula, construction and other fields. Participated in more than 40 new railway lines, double tracks, electrification transformation and large and medium-sized construction projects such as highways, water conservancy, urban rail transit, high-rise buildings, municipal utilities and communications in 26 provinces, municipalities and autonomous regions, and provided 12000 high-quality prestressed concrete bridges for more than 60 railways. Abroad, Iraq, Kuwait, Sudan, Laos, Democratic Republic of Congo, and \x0d\ China Railway Eighth Engineering Group Co., Ltd. have successively contributed 8 national excellent projects and 70 provincial-level quality projects to the society, and the concrete sleepers produced have been rated as national quality products. For five consecutive years, it has created 29 new records for domestic enterprises, obtained 54 national patents, 6 national construction methods, and compiled 9 standards and specifications issued by the Ministry. It has successively won the honorary titles of National Advanced Enterprise for Technological Progress and Innovation in Construction Industry, National Innovative Enterprise, National May Day Labor Award, National Best Construction Enterprise, National Excellent Construction Enterprise, National Advanced Unit for Cultural Management, National Top 50 Enterprise Culture Construction, Top 10 Enterprise Images of China in 2008 by the Ministry of Culture, 60th Anniversary of the Founding of People's Republic of China (PRC), and China Enterprise Culture Model Unit. In the Wenchuan earthquake in Sichuan, in the case of heavy losses of enterprises, a total of 19 earthquake relief commandos were dispatched, with 3,400 person-times and more than 480 sets of various equipment, to participate in railway and highway emergency repair and personnel search and rescue, and consciously fulfill the social responsibility of central enterprises.