Innovation, excellent and reliability are the core values of our company. These principles today much more than ever form the basis of our success as an internationally active mid-size business for Ventilation In Buildings, heat recovery ventilation , Ventilation System heat recovery core , hospital air ventilation ,COVID . We are glad that we are steadily growing with the active and long term support of our satisfied customers! The product will supply to all over the world, such as Europe, America, Australia,Nigeria , Porto ,Sao Paulo , Gambia .We will not only continuously introduce technical guidance of experts from both home and abroad, but also develop the new and advanced products constantly to satisfactorily meet the needs of our clients all over the world.