Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for Enthalpy heat recuperative unit, heat recovery ventilation , Rotary heat exchanger , hospital ventilation system ,fresh air units . Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future! The product will supply to all over the world, such as Europe, America, Australia,Seattle , Tajikistan ,Rio de Janeiro , Malta .We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.