Small-caliber intelligent wireless heating valve(DN15、20、25)
LX type intelligent wireless heating val...
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Large diameter intelligent wireless heating valve(NB-IOT type, remote control valve)
LX-4 large-caliber intelligent wireless ...
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Wireless thermometer(Wireless LoRa, NB-IOT type，can choose)
YT-2 wireless thermometer is a high-tech...
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