High and low voltage switchgear, cable branch box, box-type substation, transformers, energy storage device, ring network cabinet, electric energy metering box, distribution box, high and low voltage electrical equipment, wire and cable, power tools, cable accessories, lightning arrester, tower and pipe fittings, hardware, power transmission and transformation project, power sign, electrical equipment and equipment, high and low voltage circuit breaker, fuse, combination switch, isolating switch, instruments and meters, electric power electronic components, high and low voltage electrical components, all kinds of metal shelves, shelves, shelves, metal equipment design, manufacture, marketing;Installation, commissioning and maintenance of high and low voltage electrical appliances and complete sets of equipment;General contracting of power installation projects;Import and export of goods and technology, computer information system integration;Intelligent electric control live detection, off-line detection, infrared detection services;Computer software product research and development, technology transfer, technology consulting, technical services.