The business scope includes the manufacturing and technical services of 110KV and below power transformers, switchgear, box type transformers and accessories; Undertake installation, maintenance, and testing of electrical facilities; Development and technology transfer of new transformers. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) Licensed project: construction labor subcontracting; Construction project construction; Construction professional operations; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Road freight transportation (excluding dangerous goods) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results) General projects: engineering and technical research and experimental development; Electrical equipment repair; Sales of electrical equipment; Centralized fast charging station; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power facilities and equipment; External contracting projects; Productive waste metal recycling; Import and export of goods; import and export agency