8# Building, #9 Courtyard Dijin Rd. Haidian district Beijing Beijing ***, 8# Building, #9 Courtyard Dijin Rd. Haidian district

Tongdy Control Technology has designed and manufactured high quality IAQ products and HVAC controllers for 15years. Our IAQ products includes transmitters/ /controllers of carbon dioxide and carbon mo...

A good piece of machine is a product of best quality mechanical spares and to serve the industry with first in class VOC Meter we hold a strong reputation based on our successful 2020 Years of export...

8# Building, #9 Courtyard Dijin Rd. Haidian district

Tongdy Control Technology has designed and manufactured high quality IAQ products and HVAC controllers for 15years. Our IAQ products includes transmitters/ /controllers of carbon dioxide and carbon mo...