Shenzhen Silver Star Power Electronic Company Limited is a hi-tech and a green enterprise of Shenzhen City, is also a emphasis enterprise named by government to set up famous brand, it was founded in 1993, manufacturing mainly porcelain and polymer housed metal oxide surge arresters including GIS-arresters, fuses, disconnecting switches for power systems of 0.22-500kV and other power transmission and transformer equipments. It can make 1.7 million pcs different size varistors and 9 thousand phases metal oxide surge arresters for 110-500kV power systems per year. The productions were operated on line more than 1.8 million phases, protection effects were all right, and many of them were used in national important projects. It locates in the Silver Star Zoology Industry Park, the park is one of the circle economy demonstration item of Shenzhen city, it covers area 50, 000 square meters, building area is 55, 000 square meters. Possesses advanced modernization automatic production lines and test means, perfect quality administer system and rich strength of exploiting new product. The Research and Development Center develops cooperation frequently with inland celebrated science research department and university, there are nine national patents in manufacturing technology of varistors and arresters, the characteristics of varistors and arresters are in accordance with the requirements of standard GB11032 and IEC60099-4 etc. At the same time, the quality and environment system has been built up according to the standard of ISO9001 and ISO14001, it was registered and authorized by AOQC of England international quality system authentication agency in 1998 for the first time, so far, audit on every year was passed by international organization including AQA international of American.</p>