- Huaihua Jiannan Electronic Technology Co.,LTD
- Main products: Ultrasonic Water meter, water meter, smart water meter, photoelectric direct reading water meter, NB-iot water meter, prepaid remote water meter
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- Wired Remote Transmission Concentrator for Water Meter
- Intelligent RFID Card Prepaid Remote-Reading Water Meter
- Sell smart cold water NB-iot water meter
- PHOTOELECTRIC DIRECT READING REMOTE WATER METER
- intelligent DN150 large caliber NB-IOT photoelectric direct reading remote water meter
- Smart Cold Ultrasonic Water Meter
- China Water Supply Company used smart NB-iot water meter with Valve
