Intranet system maintenance, transmission network maintenance and so on. According to relevant data, computer majors can enter the information team to maintain the intranet system and transmission network when they join Baoying Sanxin Power Supply Company. Sanxin Power Supply Service Co., Ltd. is an independent legal person enterprise invested by the collective assets of State Grid Jiangsu Electric Power Co., Ltd. At present, it is entrusted to engage in the production and operation of local township power supply stations, specifically for rural distribution network equipment inspection, maintenance, fault handling and emergency repair, power industry expansion, electricity meter installation, electricity consumption inspection, electricity charge copying and customer service.