Digital Thermometers demands quality, because aesthetic appeal is not the only concern, make and durability set market standards. ear thermometer,digital thermometer,blood pressure monitor,ozone steri...

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...