R&D, production and sales: lithium-ion batteries, power products, photovoltaic inverters, electronic products, lighting, solar products, smart homes, intelligent control systems, electric vehicle controllers, lithium battery protection boards, robots, automation equipment, electric balancing cars, motors, drones, computer hardware products, integrated circuits, sensors; R&D and production: electricity Electric bicycles, electric tricycles, and electric motorcycles (the above items are not sold in Dongguan); photovoltaic power station design, installation, and maintenance (excluding installation and maintenance of power supply facilities and power receiving facilities); software technology development and technology transfer; wholesale and retail industries; import and export of goods or technology (except for goods and technology import and export prohibited by the state or involving administrative approval). none