About 
ClearSign Technologies provide unique solution to some of the world’s most pressing productivity, energy efficiency and pollution problems affecting the energy, oil and gas production, boiler and processing industries. ClearSign is based in Seattle, WA with offices in Tulsa, OK and Beijing, China.
Reducing Emissions of NOx is a Crucial Component of the EPA’s Strategy for Cleaner Air
Helpful links:
Our Vision
Provide cost and energy efficient solutions that enable the world’s refining, petrochemical and boiler industries to meet the most stringent environmental toxic emissions regulations and increase efficiency.
We do this using a patented unique and revolutionary
ceramic-based combustion technology.



INTRODUCING
ClearSign Asia Ltd.
ClearSign Asia Ltd. is a wholly owned subsidiary established in Hong Kong, and ClearSign China*, established in Beijing, is a subsidiary of ClearSign Asia Ltd. These China and Hong Kong entities allow us to conduct business within the greater China and Asia Pacific region. With the increased governmental regulations imposed on emissions, there is an urgent need for reduced NOx emissions, which is a perfect fit for ClearSign Technology.
In addition to the refining and petrochemical industries, there is a large addressable boiler market in the country’s district heating operations. Our business priorities are consistent globally. We’re working with local partners in China to leverage our unique technology and bring it to market with an asset-light business model.
*ClearSign Combustion (China) Environmental Technologies Co. Ltd.
Seattle, WA
info@clearsign.com
+1.206.673.4848
12870 Interurban Avenue South
Seattle, WA 98168
Tulsa, OK
info@clearsign.com
+1.206.673.4848
8023 E 63rd Pl. Suite 225
Tulsa, OK 74133
Beijing
info@clearsign.com
+86.158.0160.8868
China World – Tower A
No. 1 Jian Guo Men Wai Avenue
Chao Yang District
Beijing, China 100004