We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for Portable Air Ventilator, Single Room Heat Recovery Ventilation , Hepa 14 Filter Air Purifier , Residential Heat Recovery Ventilator ,Carbon Filter Air Purifier . We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our factory and purchase our products. The product will supply to all over the world, such as Europe, America, Australia,Milan , US ,Iraq , Iran .The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.