Electricity Meter, Latching Relay, Magnetic Latching Relay manufacturer / supplier in China, offering Prepaid Lora Wan Smart Energy Meter with Lorawan Remote Control I/O-Module, Wireless Multifunction Smart Lora Meter for Electric Energy Measurement with Modbus Built-in Relay, MID Electricity Power Meter with Lora Wan Two Way Metering Prepaid Energy Meters and so on.