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JONCHN Won the “Top Ten Brands of Intelligent Evacuation”

On February 28, the China Emergency Safety (Fire Protection) Industry Summit and the Top Ten Brands Award ceremony of the Fire Industry with the theme of “Innovation, Persistence, Cooperation and Win-win” was held in Suzhou. JONCHN Electrical once again won the CEIS “Top Ten Br...

How to choose circuit breaker (air switch) type C and type D?

How to choose the type C and D of the circuit breaker (air switch)? There is usually a distribution box somewhere in our home, and a corresponding switch will be installed in the distribution box. There are mainly two kinds of switches installed in the distribution box: the first is the ordinary ...

What is the function of the voltage regulator?

With the rapid development of society, the use of electrical equipment is increasing day by day.However, due to the aging and lagging development of power transmission and distribution facilities, poor design and insufficient power supply, the voltage of terminal users is too low, while the volta...


After more than 30 years of development, it has developed into a specialized company with international operation.

About Jonchn

JONCHN Group, founded in 1988, is headquartered in Liushi, Wenzhou, the “electrical capital of China”. It specializes in the R & D, production and sales of transmission and distribution equipment, intelligent fire protection, power supply and other products. the implementation of parts production to finished product sales and service in one of the professional company.