Our well-equipped facilities and excellent excellent management throughout all stages of creation enables us to guarantee total buyer satisfaction for Ventilation System heat recovery core, residential suspended heat energy recovery ventilation system , industrial air conditioning , HVAC air handling units ,residential suspended heat energy recovery ventilation system . 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,Madras , Provence ,Angola , Lebanon ."Good quality, Good service " is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We have been willing to establish long business relationship with all those who seek the high quality products and good service. We've got set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our expert experience and high quality grades will contribute to your business.