New materials technology promotion services; wood and wood components for construction; light construction materials manufacturing; hardware products wholesale; hardware retail; other construction materials manufacturing; architectural decoration and plumbing components manufacturing; General contract for the construction of Mechanical and electrical engineering projects project scope of the contract for the corresponding qualification level; wholesale of other unspecified agricultural and livestock products; wholesale of other unspecified prepackaged food (excluding border ports); Wholesale of unspecified bulk food (excluding frontier ports), daily groceries, household appliances, jewelry, handicrafts (except ivory and its products) and collectibles, building materials, etc. Wholesale of computer, software and auxiliary equipment, wholesale of other mechanical equipment and electronic products, retail of dietary supplement, retail of other prepackaged food (excluding boundary control points), retail of other bulk food (excluding boundary control points); Retail of daily necessities; retail of other daily necessities; retail of household appliances; retail of computer, software and auxiliary equipment; retail of other electronic products; Information Technology Advisory Services; investment in agriculture; investment in manufacturing; Investment in wholesale and retail; investment in accommodation and catering; investment in education; investment in culture, sports and entertainment; catering management (excluding catering operations); Hotel Management (excluding catering and accommodation); enterprise management consulting service; online business consulting; education consulting service; Tourism Management Service; Biotechnology Research Service; Other biotechnology extension services not specified; other science and technology extension services; health care services (excluding foot baths and frontier ports); Import and export of goods or technologies (except those prohibited by the state or involving administrative approval); internet retailing; retailing of other interior decoration materials. Projects subject to approval in accordance with the law shall be allowed to start business activities only after approval by the relevant departments