General projects: Technical service, technology development, technology consultation, technology exchange, technology transfer, technology promotion; Lighting appliance sales; Semiconductor lighting device sales; Import and export of goods; Technology import and export; Import and export agent; Internet sales (except sales of goods that require a license); Electronic components wholesale; Sales of power electronic components; Electronic components retail; Sales of optoelectronic devices; Sales of electronic products; Sales of solar thermal utilization products; Sales of solar thermal equipment; Solar thermal power equipment sales; Sales of non-electric household appliances; Sales of photovoltaic equipment and components; Smart home consumer device sales. [The above business scope involves: Import and export of goods or technologies (except those prohibited by the State or those involving administrative approval). ] (Except for projects subject to approval according to law, independently carry out business activities according to law with business licenses)