Electronic products, one kind of medical device, electromechanical equipment and accessories, office supplies, instruments and meters, automotive and motorcycle accessories, clothing and shoes, clothing accessories, Sales of hardware tools, metal materials, wood products, furniture, household electrical appliances, craft gifts, hotel supplies, cosmetics, building decoration materials, chemical raw materials and products (except for dangerous chemicals, controlled chemicals, firecrackers, civilian explosives, and easily-manufactured drugs); Business information consultation; Computer graphic design and production; Computer network system engineering services; Technology development, technical consulting, technical services, technology transfer in the field of information technology; Engaged in the import and export of goods and technology.