The registration address of changzhou zuan smart technologies ltd. Is located at no. 23, china mountain road, new northern district, changzhou city. The registration authority is the administrative approval board of the changzhou national high technology industry development area (nan north region), which covers the development of smart control systems; the development and sale of software; the development and sale of electronics; and the sale of hardware and department goods. (projects subject to legal approval may not operate without the approval of the relevant department)