Our solutions are widely regarded and trustworthy by consumers and may meet continually modifying financial and social requirements for Ac Resistance, Stable Output Power Supply , Audio Sweeping Frequency Signal Generator , Withstand Current Insulation Tester ,Range (Ac / Dc) 500v ~ 20kv Voltage Tester . Good quality, timely service and Competitive price, all win us a good fame in xxx field despite the international intense competition. The product will supply to all over the world, such as Europe, America, Australia,Myanmar , Russia ,Stuttgart , Buenos Aires .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.