(a) the registration address of boo teaching equipment science and technology ltd. In guangzhou, is located at no. 24 of the handong village, handong town township, guangzhou city. The registration authority is the market supervision authority of guangzhou city flower town district, represented by a legal person, ta-sung army, which operates on the basis of the sale of audio-visual equipment for domestic use; the development of hardware products; wholesale distribution of hardware products; manufacture of hardware products; sale of furniture; furniture installation and maintenance services; furniture manufacture; sale of office supplies; sale of office equipment consumables; sale of office equipment; manufacture of office equipment; manufacture of cultural and office equipment; sale of teaching models and teaching aids; sale of teaching equipment; production of teaching equipment; production of teaching models and teaching aids; research and experimental development of natural sciences;