Join us


Our new IAQ product - multi-sensor monitor, MSD, is designed for HVAC systems, Green-building certification, and indoor air quality systems.
MSD is also an accreditated monitor in RESET certification.
Interested in distribution or cooperation with us concerning MSD or our other products, please reach us via qtian@tongdy.com.
Welcome to meet us at booth 4325 in south hall of the McCormick Place for the AHR EXPO 2018 (Chicago, USA).