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Henan Jinguan Wangma Information Industrial Co.Ltd. is not only one of the key high-tech enterprises in China, but also the core enterprise of Jinguan Group Co. which is one of China's 520 key enterprises. Our company is the biggest proffessional work of manufacturing metal oxide varistors and metal oxide surge arresters in China, our main products are metal oxide varistors and metal oxide surge arresters. We have been researching and developing metal oxide varistors since 1979, and have been manufacturing metal oxide varistors and metal oxide surge since 1983. At present, we can produce 4.6 million pieces of metal oxide varistors(diameter from 32mm to 138mm) and 0.45 million pieces of metal oxide surge arresters from 6kV to 500kV. Our company has obtained the conformity certificate of quality system certification of ISO9001 and that of Germany TUV. The performance of our products meets the requirement of International Electro-technical Commission Standard IEC600 99-4. Our company is located in Nanyang City which is praise as green, water city with the long standing civilization in China. It has convenient transport and quiet and tasteful environment. We cordially wish to contact and cooperate with guests and transport and tastful enviroment. We cordialy wish to contact and cooperate with guests and traders around the word.

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