Sales of instruments and meters, daily necessities, sports equipment, toys, needle textiles, leather products, clothing, shoes and hats, hardware and electrical equipment, building materials, household appliances, electronic components, mechanical equipment and accessories, cultural and artistic exchanges and planning, advertising design, production, agency, release, corporate image planning, marketing planning, conference services, exhibition and display services, camera services, engaged in technology development, technology transfer, technical consulting, technical services in the fields of computer, information, network, multimedia technology, computer graphic design and production, computer network engineering. Projects that require approval by law must be approved by relevant departments before conducting business activities