Outlet pressure of the wind speed is not greater than 7m / s exhaust fan, residual pressure values: stairwell for 40pa ~ 50pa front room, shared room, fire elevator room, closed refuge floors of 25pa ~ 30pa, exhaust port wind speed of not more than 10m / s. Shandong Plumper Air Conditioning Equipment Co. located in Texas Lu right Tuen Economic Development. The company's main products are: pressure delivery outlet, air conditioning units, fresh air ventilator, wind chassis, positive pressure blower, muffler, ventilation, air aluminum, glass and steel production of wind ... pressure delivery outlet _ Rich ventilation equipment ( Certified) _ Yuncheng pressure delivery outlet provided by Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) (www.frtfsb.com) is a leader in Dezhou, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum limits to meet customer needs. Rich ventilation equipment in leadership with the staff warmly welcome all inquiries negotiations to create rich, ventilation a better future.