ShenZhen MEWOI electronics co.,ltd is a high-tech testing meters and measurement instruments enterprise in Shenzhen China. Established since 2006, with 6000 square meters production base and over 100 employees. Specialized on development and manufacturing of testing instruments, support OEM/ODM Service for both domestic and oversea customers.The main products include: Clamp On Earth Ground Resistance Tester Clamp Meter, Earth Resistance On-line Tester,Phase Detector,High Accuracy Clamp Leaker, Super-large Caliber Leakage Clamp Meter, Large Caliber Three Phase Power Tester,H/L Voltage Clamp Meter,Double Clamp /Three Phase Digital Phase Meter,Wireless High Voltage Current Transformation Ratio Tester, Current meter,and Clamp Current Sensor,AC/DC Clamp Meter etc.These instruments are widely used in Electricity, telecommunications, military, petroleum, chemical, meteorological, rail and industrial and mining areas.We adopted the highest standard inspection and testing instruments in the world to assure our products to be safest, precise and durable.All our management is organized according to ISO9001. Most of our products are certificated with CE and ROHSWith years of hard work, MEWOI is now becoming a famous brand in domestic, we are confident that we will become a well-known enterprise in oversea market in the near future