Just out of the front room air defense norms for asylum request pressurized air above the door in the formation of a positive pressure air curtain factory outlet, I think this is good, because a positive pressure air is also head to prevent smoke from this location intrusion 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, aluminum outlet, FRP wind ... pressure delivery outlet, Jincheng pressure delivery outlet , rich ventilation equipment from Dezhou Plumper ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) (www.frtfsb.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Plumper ventilation equipment into the brilliant and you work for a better future!