NR, as a world’s pioneering power system protection, automation and control manufacturer, has consigned products and and solutions to more than 90 countries and regions all over the world.NR believes that technology innovations make world wonderful and effective. Since establishment, we never stop researching new technologies and seeking better solutions for our customers. As a technology-oriented company, NR has owned many creative technologies and innovations included:DPFC (Deviation of Power Frequency Component) technology, Three-Defense-Line Solution; the world's first five terminal VSC-HVDC system, the world's highest voltage grade ±1100 kV UHVDC converter valve, the world's largest capacity of 3000 MW flexible DC converter valve, the world's first 535 kV high voltage direct current circuit breaker, the world's highest 500 kV voltage level unified power flow controller (UPFC).