Production of distribution boxes, distribution cabinets, high and low voltage switch control equipment, electrical fire monitoring systems, power measurement instruments, automatic transfer switches, surge protective devices, control and protection switching devices, power compensation devices; sales of electrical equipment. (Enterprises independently choose their business projects in accordance with the law and carry out business activities; projects that require approval according to the law must be carried out in accordance with the approved content after obtaining approval from relevant departments; they must not engage in business activities that are prohibited or restricted by the industrial policies of this region.)