May Day Holiday Notice

Dear customer, May Day Holiday is coming soon. Our company, Tongdy will be closed for the May Day Holiday, from May 1st to May 5th, 2020. During the holiday, orders and shipments cannot be handled. The delivery time around the May Day Holiday may also be extended by a week. We are very sorry for […]

The Concern of 51th Earth Day:

Air Quality in Built Environment    Today, we are delighted to welcome the 51th Earth Day with whose theme this year is Climate Action. On this very special day, we propose stakeholders to participant in a global air quality monitoring campaign-Plant a Sensor. This campaign, with Tongdy Sensing taking part in to supply monitors and data […]

Studio St.Germain – Building to give back

Quote from:   Why Is Sewickley Tavern the World’s First RESET Restaurant? December 20, 2019 As you may have seen in recent articles from the Sewickley Herald and NEXT Pittsburgh, the new Sewickley Tavern is expected to be the first restaurant in the world to achieve the international RESET air quality standard. It will […]


WGBC (world green building council) and EARTH DAY NETWORK (EARTH DAY NETWORK) jointly initiated the Plant a Sensor project to deploy air quality monitoring points inside and outside buildings worldwide. The world green building council (WGBC) is an independent, nonprofit organization based in London that comprises companies and organizations in the construction industry. There are […]