With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for Mechanical ventilation system with heat recuperative, HRU , air purification system , negative pressure ventilation ,Fresh Air System . To better expand market, we sincerely invite ambitious individuals and companies to join as an agent. The product will supply to all over the world, such as Europe, America, Australia,Ecuador , Swiss ,Jamaica , Sevilla ."Good quality, Good service " is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We are willing to establish long business relationship with those who seek the high quality products and good service. We have set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our professional experience and high quality grades will contribute to your business.