We constantly believe that one's character decides products' high quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for indoor air quality control system, Residential projects ERV , air to air heat recovery core , Ventilation System heat recovery core ,air purification and Dehumidification . We sincerely hope to establish some satisfactory relationships with you in the near future. We will keep you informed of our progress and look forward to building steady business relations with you. The product will supply to all over the world, such as Europe, America, Australia,Costa Rica , Vietnam ,Egypt , Costa rica .We have exported our products all over the world, especially the USA and European countries. Furthermore, all of our products are manufactured with advanced equipment and strict QC procedures to ensure high quality.If you are interested in any of our products, please don't hesitate to contact us. We will try our best to meet your needs.