Zinc Oxide Varistor with Different Diameters

Original formula of raw materials 
Unique chemical co-precipitation process 
Unique sintering patented process 
Double-end vertical grinding patented technology 
Automatic spraying aluminum electrode patented technology 

Our products have three characteristics compared with the like products in domestic, 
I)side glaze craft has unique characteristics, first use of high-resistance layer side glaze to coat, high-temperature sintering, then coat with a layer of glass glaze to arrange heat treatment (as Figure 1). This ensure high current withstand and ageing characteristics. Our products are applicable to be assembled in a variety of medium. 
Ii)Our zinc oxide varistors are applicable for both AC and DC, in domestic our product is the sole product which AC&DC common use. 
Iii)Our company successfully developed the high-gradient zinc oxide varistors, we have completed the stage of technology transfer and have put into a small batch production. The potential gradient of high-gradient zinc oxide varistors can reach 300-400V/mm. 
Nanyang Jinguan Electric Co. Ltd is the production basis of metal oxide varistor (MOV) and Lightning surge arrester (MOA or LA) in China. 
We have been researching and developing metal oxide varistor many years,and manufacturing metal oxide varistor and Lightning surge arrester more than 10years. Our company has obtained the quality system certification of ISO9001. All of our products have measured up to requirement of international electric technical standard IEC60099-4.3kV to 36kV Surge Arrester has passed through Holland KEMA test. 
Our company has the productivity yearly of 4.6 million D21mm-D138mm high-voltage zinc oxide varistors(MOV), 5.0 million (0.22kV-1000kV) metal oxide surge arresters(MOA). 

Also, we have different models as below table. Any question, contact us freely.