The registration address of the sakaiyang city centre for the development of models is located in two new towns in kandama city, sakaiyang city. The registration authority is the market supervision authority of sakaiyang city. The legal entity is represented by zou jiu, which operates in the area of the manufacture of teaching models and teaching aids, metal handicrafts; the sale of teaching equipment, computer software, electrical teaching and practical equipment; computer technology development, technical services; exhibition services; multimedia design services; and electrical and electronic technology services。