Our enterprise since its inception, often regards solution excellent as enterprise life, continually strengthen output technology, enhance product high quality and continually strengthen organization total high-quality administration, in strict accordance using the national standard ISO 9001:2000 for 10kv Withstand Voltage Tester, Digital Insulation Resistance Tester 500v/1000v , High Quality Variable Adjustable Switch , Component Tester ,Electrical Digital Hipot Pressure Tester . While using the tenet of "faith-based, customer first", we welcome customers to phone or e-mail us for cooperation. The product will supply to all over the world, such as Europe, America, Australia,Algeria , Latvia ,Algeria , Mauritius .The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.