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    Youth Day | The more you struggle, the more youthful you become. 青年節 | 越奮斗 越青春

    Over the past century, the May 4th spirit, with patriotism, progress, democracy and science as its connotation, has long been integrated into the national blood and become an important spiritual pillar on the road of national rejuvenation after being inherited, carried forward and accumulated fr...

    Electric energy meter | Why is the automatic tripping? Function of ammeter circuit breaker

    On the basis of ensuring the basic electricity consumption measurement, in order to ensure the safety, the intelligent watt-hour meter is not only manufactured in strict accordance with national standards, using qualified materials and technology, but also alarm and power-off functions. Smart met...

    The Past Life and Present Life of Electric Power

    Mobile phones, computers, refrigerators, air conditioners, washing machines…… Electrical appliances are full of human production and life. Do you know the past life and this life of electricity, as the most important part of it? In 1660, Garek of Madelberg invented the first friction motor. In ...


    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.