Technology development, technical consulting, technical services, technology transfer; computer technology training; computer system services; design, production, agency, and advertising; basic software services; application software services; sales of computers, software and auxiliary equipment, mechanical equipment, electronic products, building materials, medical equipment; import and export of goods, technology import and export; production of interactive electronic whiteboards, digital video physical exhibition stands, interactive touch large screens, splicing screens, advertising machines, matrices, and digital imaging cameras (limited to branch operations).