1. Gansu Cai Feng exhibition engineering co., ltd, located at block c 180 1 room of yilei Hua Ting, No.549, Su Zhang beach, chengguan district, Lanzhou city, Gansu province, covers the design, decoration and display of the exhibits in the exhibition hall. Planning, organizing and undertaking exhibitions; Design and construction of urban landscaping and landscape lighting engineering; Design, release and production of various advertisements; Design, manufacture and installation of supporting hardware and software for video multimedia information products; Design and construction of architectural decoration engineering; Design and construction of environmental cultural and artistic projects and environmental protection projects; Construction of sports facilities.
2. Gansu Cai Feng Exhibition Engineering Co., Ltd. Gansu Cai Feng Exhibition Engineering Co., Ltd. was established in 2002, and has Grade A qualifications for special design and special construction of China Museum, exhibition hall, environmental art, multimedia information and wisdom experience hall.