Negative pressure circulation purifying technology
Negative pressure belongs to hydromechanics, to put it simply, airflow going from up to down is named negative pressure, conversely, it is named positive pressure. GreenSpring indoor fresh air circulation purifying system makes air of outdoor being purified come indoor from indoor upper air inlet, so that negative pressure going from up to down is formed, and indoor air goes outdoor through indoor low outlet, so that air circulation is formed.
GreenSpring Biotec Ltd. (New Zealand) is a high-tech enterprise which focuses on developing various natural biological agents by natural biological extraction technology and the use of natural plant ingredients.