

At CNSOVIO, we are experts in the research, development, and manufacturing of high-voltage transmission and distribution equipment. For years, we’ve focused on innovation and continuous improvement, integrating cutting-edge technology and rigorous quality testing. Our dedication ensures every product, from vacuum circuit breakers to switchgear and fuses, meets the highest global standards.


Provide free technical consulting to help clients select the most suitable product solutions
Offer product customization services based on special application requirements
Provide product operation and maintenance training services for clients
Respond to inquiries within 6 hours, provide solutions within 48 hours






















How to specify EV charging station switchgear: the power path from MV feeder to charger, load sizing with simultaneity, MV switch options, LV protection and


A compact substation buying guide covering construction types, when a prefabricated unit beats a switchroom, the specification checklist, sizing, layout and required test documentation.


AIS versus GIS switchgear: insulating medium, footprint, cost structure, maintenance and repair consequences, expandability, and the regulatory pressure reshaping gas-insulated designs.
We will respond to your inquiry within 24 hours
We value your privacy
We use cookies to improve your browsing experience, deliver personalized content, and analyze our traffic.