Manufacturing of cultural and office equipment; manufacturing of metal daily-use articles; sales of daily-use articles; sales of office supplies; manufacturing of sporting goods; wholesale of sporting goods and equipment; manufacturing of computer software, hardware, and peripheral equipment; retail and wholesale of computer software, hardware and accessories; manufacturing of plastic products; sales of plastic products; manufacturing of hardware products; wholesale of hardware products; manufacturing of lighting fixtures; manufacturing and sales of toys; manufacturing and sales of non-road leisure vehicles and parts; manufacturing and sales of handcarts and animal-drawn vehicles; manufacturing and sales of metal structures; manufacturing of furniture; advertising production; manufacturing and sales of teaching-specific instruments; manufacturing and sales of audio equipment; manufacturing of stationery; manufacturing and retail and wholesale of musical instruments; wholesale of kitchen, bathroom, and daily-use items; manufacturing and sales of instruments and meters; manufacturing and sales of experimental analytical instruments; manufacturing of electronic (gas) physical equipment and other electronic equipment; manufacturing of clothing; wholesale and retail of clothing and accessories; sales of Class II and Class I medical devices; manufacturing and sales of digital video surveillance systems.