Is China Construction Seventh Bureau a state-owned enterprise or a central enterprise?

Central enterprises. China Construction Seventh Engineering Bureau Co., Ltd. (hereinafter referred to as "China Construction Seventh Engineering Bureau") is a key member enterprise of "China Construction Group Co., Ltd.", ranking among the top 500 in the world 13. Headquartered in the building of China Construction Seventh Engineering Bureau in Zhengzhou Economic Development Zone, it is a first-class comprehensive industrial group in China. It owns 26 subsidiaries, including China Construction Seventh Bureau Installation Engineering Co., Ltd., and its business involves investment, construction, development, international and other aspects. China Construction Seventh Bureau ranks in the forefront of the construction industry in Henan Province and ranks fourth among the top 100 enterprises in Henan Province. It is the first "three experts and three strong" qualified enterprise in China architecture and Henan construction industry. It is a "four stations, three new centers" national high-tech enterprise, an advanced grass-roots party organization, a national civilized unit and an advanced unit of quality and safety management in China. The enterprise has won more than 30 Luban Award, National Quality Engineering Award, Zhan Tianyou Award 130, more than 5,000 national patents, construction methods and industry standards, and more than 400 provincial and ministerial quality engineering awards.