We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Ventilation In Buildings, Heat Exchange System , Fresh air recuperator , compactded design HRV ,Heat Recovery . Our customers mainly distributed in the North America, Africa and Eastern Europe. we will source top quality goods using the really aggressive selling price. The product will supply to all over the world, such as Europe, America, Australia,Berlin , Salt Lake City ,Canberra , Seattle .Our business activities and processes are engineered to make sure our customers have access to widest range of products with the shortest supply time lines. This achievement is made possible by our highly skilled and experienced team. We look for people who want to grow with us around the globe and stand out from the crowd. We now have people who embrace tomorrow, have vision, love stretching their minds and going far beyond what they thought was achievable.