"Quality first, Honesty as base, Sincere service and mutual profit" is our idea, in order to develop continuously and pursue the excellence for Instrument Used For Insulation Resistance Test, Ac 5kv & Ac 20ma Withstanding Voltage Tester , Insulation Performance Tester , Programmable Dc Electronic Load Meter ,20m Trigger Function Oscilloscope . Customers first! Whatever you require, we should do our utmost to help you. We warmly welcome customers from all over the world to cooperate with us for mutual development. The product will supply to all over the world, such as Europe, America, Australia,Rome , Wellington ,Nicaragua , US .Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.