Nobody in the world has dreamed that indoor air can be 100 times cleaner than outdoor air, except BROAD, who not only conceived but also made it a reality.
"Invisible, untouchable, small influence in short-term and big influence in long-term"-these facts make air pollution easily neglected by the public.
Most people will do nothing if they see others living well without Indoor air quality equipment , and they will even treat the whole fresh air machine installation process as a huge nuisance. Only a few thoughtful people will always try to improve their lives and will eventually become our customers. This is how you define a kindred spirit.