Smart Water Meter, Smart Gas Meter, Automatic Meter Reading System manufacturer / supplier in China, offering Smart DIN - Rail Electronic Energy Meter: Single & Three Phase, Lorawan / WiFi / 4G / RS485 with Prepaid Electricity Remote Control and Ami / AMR Solution, Smart Ultrasonic Water Flow Meter with Prepaid Remote Control and Lora/Lorawan/4G, Cold/Hot, DN15/DN20/DN25, Smart Gas Meter with Prepaid Remote Control and Lorawan / 4G / Nb, G1.6/G2.5/G4 and so on.