The business scope includes general projects: Manufacturing of lighting fixtures; Sales of lighting fixtures; Manufacturing of semiconductor lighting devices; Sales of semiconductor lighting devices; Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Manufacturing of new energy driven equipment; Sales of new energy driven equipment; Manufacturing of electronic components; Wholesale of electronic components; Manufacturing of smart home consumer devices; Sales of smart home consumer devices; Manufacturing of hardware products; Wholesale of hardware products; Production of battery spare parts; Sales of battery spare parts; Battery manufacturing; Battery sales; Sales of building materials; Sales of mechanical equipment; Mechanical equipment research and development; Manufacturing of metal materials; Sales of metal materials; Professional design services; Residential water and electricity installation and maintenance services; Electrical equipment repair; Special equipment repair; Integration of intelligent control systems; Information system operation and maintenance services; Industrial control computer and system manufacturing; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Sales of industrial control computers and systems; Maintenance of electronic and mechanical equipment (excluding special equipment); Information system integration services; Import and export of goods; Technology import and export.