General Projects: Pump and vacuum equipment sales, Instrument sales, Sales of distribution switch control equipment, Sales of generators and generator sets, Mechanical and electrical equipment sales, Electric dynamometer motor sales, Electrical equipment sales, Power electronic components manufacturing, Instrument Manufacturing, Instrument repair,Chemical product sales( Does not contain permitted chemical products), Electrical equipment repair, Sales of solar thermal power generation products, Sales of solar thermal power generation equipment, Solar thermal equipment sales, Solar power generation technology services, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Photovoltaic power generation equipment leasing, Engineering and technical research and experimental development, Metal product sales, electric wire、 Cable Operations, Charging pile sales, Centralized fast charging stations, Electric vehicle charging infrastructure operations, Motor vehicle charging sales, Charging control equipment rental。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed Projects: Construction labor subcontracting, Electrical installation services, Construction project construction。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)