V-strong electronic and professional technology cooperation company is planning to engage in power system safety monitoring and automation equipment, special computer software, professional analysis instruments and data acquisition systems and other high-tech products R & D manufacturing enterprises. The main products are: ST-801 power system traveling wave ranging device, ST-801D distributed distribution line fault location system, ST-502 power system fault recording device, ST-601 low current grounding traveling wave line selection device, ST-201 power system GPS synchronous clock system, ST-301 transformer wireless oil filter monitoring device, etc.