Handsun Enterprise Co. Ltd. Is one of professional producers in china, our main products are Hearing Aid Battery Tester, Wood Moisture Meter, Soil Tester, Digital Sound Level Meter, Digital Lux Meter, digital and analog multimeters, clamp meters, battery checkers& testers, tachometers, temperature meters, thermometers, digital& analogue panel meters, hour meters, our main markets are Europe, USA, south America, Mid-east and Africa.