Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine consistently for Headset Mic Tester, Output Amplitude Voltage 0.01~12.8vrms , Rek Digital Oscilloscope 4ch 200mhz , Power Tester ,Programmable Dc Electronic Load Meter . If you are looking for Good Quality at a good price and timely delivery. Do contact us. The product will supply to all over the world, such as Europe, America, Australia,Lebanon , Juventus ,Canberra , Ethiopia .More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.