Import and export of goods and technologies (excluding restricted items); Domestic trade (excluding monopoly, special-sales and specially controlled commodities); Domestic and international freight forwarding; Supply chain management; Logistics solution design; Logistics information consulting; Customs declaration agency; Enterprise registration agency; E-commerce operation; Enterprise information consulting; Marketing event planning, exhibition and conference services; Online marketing planning services; Research and development of computer hardware and software, as well as sales and after-sales services of related products; Technical services and maintenance for computer system applications; Information system design, integration, operation and maintenance, as well as technical and consulting services; Technological development and sales of electronic product testing equipment; Wholesale and retail of electronic products such as medical devices, fitness equipment and sports products; Provision of maintenance and after-sales services, technical consulting, import and export, and related supporting services for medical devices (Class I, Class II and Class III) and related materials.