Established in 1969, Henan Jinguan Wangma Information Industrial Co., Ltd. is a specialized manufacturer of ZnO varistors and surge arresters. Occupying 48.6% of China surge arrester market, our products are also selling well in the international market. 







Presently, we can produce ZnO varistors with extremely great quality, of which the diameters range from 32mm to 138mm, and height from 3mm to 42mm. Meanwhile, we can also supply surge arresters rating voltage from 0.22kV to 500kV with porcelain housing and compsite housing, insulator rating voltage from 35kV to 220kV, SF6 transformer and potential transformer rating voltage from 35kV to 220kV. Moreover, we have shared factories producing porcelain bushing, porcelain insulators, Sic varistors, bedding and shock-absorbers for automobile. Focusing on the improvement of quality control system and...