Our advancement depends over the superior machines, exceptional talents and continually strengthened technology forces for passitive house ventilation system, Counterflow Heat Exchanger , Holtop Heat exchanger , Single Room Ventilation ,AHU heat recovery section . If you pursuit the Hi-quality, Hi-stable, Competitive price parts, company name is your best choice! The product will supply to all over the world, such as Europe, America, Australia,Zimbabwe , United States ,Philippines , Norway .In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we will continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.