The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme for Constant Resistance Load, High Voltage Meter , Flash Tester , Audio Sweep Generator ,Switching Power Supply . Teamwork is encouraged at all levels with regular campaigns. Our research group experiments on various developments during the industry for improvement within the solutions. The product will supply to all over the world, such as Europe, America, Australia,Swiss , UK ,Rio de Janeiro , Bulgaria .Why we can do these? Because: A, We are honest and reliable. Our products have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It will be highly appreciated.