Electrical installation services (projects subject to approval according to law, Business activities can be carried out after the approval of relevant departments, Specific business items shall be subject to the municipal approval results. ) General items: Technical services, technological development, technical advisory work, exchange of know-how, technical transformation, technology transfer, Sales of new energy primary and dynamic equipment, New pod energy technology research and development, Too can be thermal power generation products sales, Electrical equipment sales: Taada thermal use equipment sales; Sales of photovoltaic equipment and components: Sales of electronic components and mechanical and electrical components equipment, Electronic special materials sales: Photovoltaic power generation equipment leasing, Sales of electronic products; Internet sales (except for the sale of goods requiring licensing), Battery sales: Hardware products retail: Hardware products wholesale, Electrical equipment sales, Hunine nuclear equipment sales; Sales of synthetic materials; Metal material sales; Plastic products sales; Rubber products sales, Paper products sales: Technology import and export; Import and export of goods (except for items subject to approval according to law, Death zhe industry license to independently carry out business activities in accordance with the law