According to the U.S. Environmental Protection Agency(EPA),
there have been reports that indoor air can get 100 times more polluted unless adequately ventilated.
In addition, the World Health Organization(WHO) estimates that indoor pollutants are about 1,000 times
more likely to transmit to human lungs than outdoor pollutants.
Clearchang is a company that produces dustproof filters utilizing
electrospinning technology and nanofiber technology, and presents
the best natural ventilation home care system to our customers.