News

  • 8*8mm 1000V Switching Spark Gap

    8*8mm 1000V Switching  Spark Gap      
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  • Review 2018

    Today I would like to make a summary of Zhengmao’s 2018. You’re sure to ask? 2019 is halfway through. You shouldn’t make a good summary of 2019. How can you stay in 2018?  Zhengmao employees know that 2018 is an extraordinary year for everyone, with laughter, tears and hardships...
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  • Gas discharge tube and Switching Spark Gap

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  • Development of ZM

    Electronic circuit protection industry originated in Europe and the United States, Japan and other developed countries, and gradually entered China in the 1990s. At first, due to the low starting point of the late start, the technology, and the quality of the electronic circuit protection industr...
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  • Video of different kinds of products

    http://www.zhengmaoelec.com/uploads/75115.mp4 http://www.zhengmaoelec.com/uploads/68.mp4 http://www.zhengmaoelec.com/uploads/86-红.mp4 http://www.zhengmaoelec.com/uploads/86-蓝.mp4 http://www.zhengmaoelec.com/uploads/554.mp4 http://www.zhengmaoelec.com/uploads/554引线.mp4 http://www.zhengmaoelec...
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  • Exhibition in Korea

                                                       
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