Licensing projects: import and export of goods; import and export of technology; construction engineering design; power generation, transmission, and power supply business; The results shall prevail) General items: manufacturing of photovoltaic equipment and components; manufacturing of batteries; manufacturing of power electronic components; manufacturing of synthetic materials (excluding hazardous chemicals); manufacturing of transformers, rectifiers and inductors; manufacturing of electronic components and electromechanical components ; Electronic special equipment manufacturing; industrial robot manufacturing; emerging energy technology research and development; new material technology research and development; engineering management services; contract energy management; Internet of Things technology research and development; Internet of Things application services; big data services; artificial intelligence industry application system integration services Enterprise headquarters management; human resources services (excluding job intermediary activities and labor dispatch services); information technology consulting services (except for projects subject to approval according to law, independently carry out business activities according to the law with a business license)