Wisdom is the manufacturer and research institute of Guide-vents
and Total Heat Air to Fresh-Air Exchangers, it is the well-known
trademark, and the company is very experienced in designing and
manufacturing for more than 30 years, the technology is in the lead
of the world levels. It has several patented skills, the standards
of products is completed. The Total Heat Air to Fresh-Air
Exchangers include the types in outside, which is sectional, person
who is hang, and the falling one.
They have perfect craftsmanship，the company have been passed
through the authentication by ISO9001.The function of products have
reached the world standards, they have great success in noise, wind
amount and characteristic of airflow. In 2013,Wisdom introduction
of Germany advanced technology, combined with its own strong
technical force, has developed domestic unique intelligent air
purifier, it improve the air quality effectively.