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General projects: new material technology promotion services; Sales of high performance fiber and composite materials; High performance fiber and composite material manufacturing; Information consulting services (excluding licensed information consulting services); Engineering and technology research and experimental development; Machinery and equipment sales; Sales of electronic products; Sales of chemical products (excluding licensed chemical products); Footwear raw and auxiliary materials sales; Sales of industrial textile products; Sales of special chemical products (without hazardous chemicals); Daily masks (non-medical) sales; Synthetic fiber manufacturing (except for projects subject to approval according to law, independent business activities shall be carried out according to the business license) Licensed projects: import and export of goods under state trade management (projects subject to approval according to law, business activities may be carried out only after approval by relevant departments, specific business projects shall be subject to approval documents or license certificates of relevant departments)