Beijing CRNC Northern Decoration Engineering Co., Ltd. is a modern enterprise with national Grade I qualification that integrates decoration design and construction. It has subsidiary companies for specialties such as mechanical and electrical equipment installation, building intelligence, steel structure, and glass curtain wall; several project manager offices and many branch companies outside Beijing. The company has passed the ISO9001 quality management system standard certification, ISO14001 environmental management system standard certification, and 28001 occupational health and safety management system standard certification, and in 08, it was awarded the title of "Quality Trustworthy Unit" by the Beijing Quality Association.