General projects: Technical services, technology development, technology consultation, technology exchange, technology transfer, technology promotion; Import and export of goods; Technology import and export; Import and export agents; Food import and export; Technology extension services; Information technology consulting services; Software development; Data processing and storage support services; Sales agent; Domestic trade agent; Gas, liquid separation and purification equipment manufacturing; Gas, liquid separation and purification equipment sales; Manufacturing of textile manufactured goods for industrial use; Production of textile products for industrial use; Industrial textile products sales; Environmental protection special equipment manufacturing; Sales of special equipment for environmental protection; Environmental monitoring special instruments and meters manufacturing; Environmental monitoring special instrument sales; Environmental advisory services; Smart home consumer equipment manufacturing; Smart home consumer equipment sales; Sales of household appliances; Sales of daily necessities; Wholesale of daily necessities; New energy vehicle electric accessories sales; Research and development of emerging energy technologies; Synthetic materials sales; Intelligent transmission and distribution and control equipment sales; Solar heat utilization equipment sales; Pet food and supplies wholesale; Pet food and supplies retail; Pet services (excluding animal diagnosis and treatment); Solar power technology services; Power generation technology services; Network technology services; Science and technology extension and application services (except for the projects subject to approval according to law, independently carry out business activities according to law with the business license)