In shenzhen city, shenzhen city, the registration address of tianyu science and technology ltd. Is located at 3 houses, 704 on the street of shenzhen city of shenzhen, no. 8 on the street of shenzhen city, on the street of shenzhen city, on the river dyke road. The registration authority is shenzhen city market supervisory authority, which is represented by a legal person, suqqin, who operates in the production of hardware products, advertising machines, machine boxes, cabinets, smart machine electrical products; the development and sale of smart parking lots, gates, ic card equipment and building smart systems; and domestic trade. (the above does not include production processing and projects for which approval is required prior to registration by a decision of the state council)