SHANGHAI PINYAN M&C TECHNOLOGY CO., LTD. founded in 2009.Brand name MEATROL ELECTRICAL,located in the High Technoloy zoon of Minghang district,Shanghai. For a long time,we researched all function,application,feature of Rogowski coil and created the full-automatic winding machine especilly for rogowski.We have series coils for differnt application according to our rich experience. Our main products include flexible Rogowski coil, rigid Rogowski coil, split core current sensor, all kinds of output type integrator, powermeter, power analyzer and so on. We are good at all kinds of application for current measurement like power meter,power analyzer, High frequency waveform analysis, pulse current test, power transformer monitor, mA current measurement, harmonic tests, wind power generation, welding current monitor, frequency conversion and leakage protection,electric furnace etc.