Long Fengyi electric Group Limited. is a professional large scale manufacturer of all types of meter, integrating development and production together. Long Fengyi electric Group Limited have been created in 2000 to provide complete solutions for the Energy sector ,mainly power  energy meter, kWh meter, panel meter analog meter, ammeter, voltmeter, frequency meter, power Meter, power factor meter, maximum demand Indicator, phase sequence indicator, synchronoscope meters, hour meter, digital meter. Wattmeter, varmeter, phase meter, hou...[More]