DEVELOP AND MANUFACTURING WHOLE SYSTEM FOR CONTROL OF AIR POLLUTION IN subterranean environment

Clean Tunnel Air International AS was established in 1989 in Trondheim, Norway. In 2012, CTA expanded its presence by founding Clean Tunnel Air China Co. in Hong Kong to facilitate business operations in China. In 2020, CTA became a part of the esteemed AirQuality Group and Sanitizair Group in South Africa.

With over three decades of experience, CTA has maintained its position as a global leader in developing and providing air purification solutions for road tunnels. They have successfully completed more than 20 air purification stations in over 10 tunnels.

CTA’s product offerings include:

– Mechanical Filters
– Vortex Electrostatic Precipitators
– NOx Gas Removal Systems
– Axial Fans
– Automatic Washing Systems
– Waste Water Recycling Systems
– Control Systems