3-3-5/F IN-DO MANSION, No.48-jia Zhichun Road, Haidian District,Beijing City,China Beijing, Beijing
We, Tongdy control, are a professional manufacturer and designer of Indoor Gas detector and HVAC thermostat.
CO2 Sensor, CO2 Transmitter, CO2 Controller, co sensor, co detector, co controller, co transmitter, O3 sensor, o3 transmitter, o3 controller, o3 detector, HVAC Thermostat
