The registration address of chinan heinzin psychiatry ltd. Is located on the 384th floor of the 22nd floor of heinah road, 555th street, jeinan city, shandong province. Zhao zhao, the legal representative of the market supervisory authority, operates in such areas as the assembly of vehicle teaching test equipment, electronics and teaching test equipment; the development, sale and development of vehicle teaching models, the integration of teaching equipment systems; car accessories and retail sales。