To create more value for customers is our business philosophy; customer growing is our working chase for 70a Dc Earth Resistance Tester, Loudspeaker Microphone Polarity Tester , Oscilloscope 2 Channel 100mhz , Low Frequency Signal Generator ,Rek 500v 600v 1000v Ac/Dc Insulation Resistance Teste . Our final goal is "To try the best, To be the Best". Please feel free to contact with us if you have any requirements. The product will supply to all over the world, such as Europe, America, Australia,Germany , Argentina ,Vancouver , Irish .The best and original quality for spare parts is a most important factor for transportation. We may stick on supplying original and good quality parts even a little profit earned. God will bless us to do kindness business forever.