"Based on domestic market and expand overseas business" is our development strategy for Ventilation System heat recovery core, recuperator factory High Efficiency Recuperator Heat Recovery Ventilator High Efficient Heat Exchanger , Customized Function Modules , heat wheels ,no cross contamination heat exchangers . We always provide best quality products and excellent service for the majority of business users and traders . Warmly welcome to join us, let's innovate together, and fly dreams. The product will supply to all over the world, such as Europe, America, Australia,Guyana , Cologne ,UK , Angola .To meet the requirements of individual customers for each bit more perfect service and stable quality products. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!