We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Heat recovery units, AIR TO AIR HEAT EXCHANER , Counterflow Heat Exchanger , Classroom Ventilation ,hospital air handling systems . We attend seriously to produce and behave with integrity, and because of the favor of clients in your house and abroad in the xxx industry. The product will supply to all over the world, such as Europe, America, Australia,Amman, Southampton ,New Zealand , Paraguay .With the first-class solutions, excellent service, fast delivery and the best price, we've won highly praise foreign customers'. Our products have been exported to Africa, the Middle East, Southeast Asia and other regions.