General project: Manufacturing of semiconductor lighting devices: Sales of semiconductor lighting devices: Lighting fixtures Manufacturing: Sales of lighting fixtures: Manufacturing of household appliances: Sales of household appliances: Electricians Material manufacturing: Electrical equipment sales: Distribution switch control equipment manufacturing: Distribution switch control Equipment sales: Manufacturing of plastic products, Sales of plastic products: Manufacturing of electronic components: Electrical Retail of electronic components: Recycling and cascading utilization of waste power batteries from new energy vehicles (excluding hazardous waste management); Energy storage technology services: Supply chain management services: Goods import and export; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)