The general business items are: technology research and development and sales of computer software and hardware, intelligent hardware, new energy products, battery products, electronic products and components; Technology development, technical consultation, technology transfer and technical services of computer software and hardware and integrated circuits; Technology research and development of new energy; Research, development and sales of lithium battery, inverter, UPS power supply and mobile power supply; Domestic trade; Operate import and export business; Solar power technology services; Sales of photovoltaic equipment and components; Research and development of mechanical equipment; Sales of mechanical and electrical equipment; Sales of refrigeration and air conditioning equipment; Research and development of household appliances; Sales of household appliances; Sales of household appliance parts; Agricultural machinery sales; Sales of auxiliary bicycles, scooters and spare parts; Electric bicycle sales; Sales of off highway recreational vehicles and spare parts; Research and development of intelligent robots; Intelligent robot sales; Service consumption robot sales; Sales of intelligent power transmission and distribution and control equipment; Operation of electric vehicle charging infrastructure; Sales of new energy vehicle power exchange facilities. (except for the items that must be approved according to law, the business activities shall be carried out independently according to law with the business license). The licensed business items are: the production of computer software and hardware, intelligent hardware, new energy products, battery products, electronic products and components; Production of lithium battery, inverter, UPS power supply and mobile power supply; Manufacturing of photovoltaic equipment and components; Manufacturing of mechanical and electrical equipment; Manufacturing of refrigeration and air conditioning equipment; Household appliance manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Motor manufacturing; Agricultural machinery manufacturing; Manufacturing of Mopeds; Manufacturing of off highway recreational vehicles and spare parts; Service consumption robot manufacturing; Special operation robot manufacturing; Manufacturing of power transmission and distribution and control equipment; Battery manufacturing.