1. high voltage leak selection protection /hangzhou dongjiyibao technology co., ltd. is a high-tech enterprise mainly engaged in microcomputer protection and measurement and control devices, island protection devices, photovoltaic and anti-countercurrent protection devices, distribution network automation, power teaching and experimental training equipment, power substation automation system, power supply and distribution automation monitoring system, and power plant comprehensive automation system. public security booth 1 xi'an xingyoufu electronic technology co., ltd.: electrical equipment components, switch status indicators, online temperature measurement devices for electrical contacts, intelligent control devices for switch cabinets, integrated microcomputer protection devices, intelligent electrical measurement instruments, intelligent dehumidifiers, residual current operation circuit breakers, contact number: 029-87303848. the products are widely used in power systems, substations, power plants, construction, grain storage and transportation, petrochemical and other industries. xi'an xingyoufu electronic technology co., ltd. was established in 2018 with a registered capital of 5 million yuan. it is located in building 7, cha zhangxinyuan, zhangba north road, yanta district, xi'an. 30 strip

low voltage insulation monitoring