In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of air to air heat recovery core, Heat Exchanger China , passitive house ventilation system , Air Handling Unit ,compactded design HRV . We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you. We also warmly welcome customers to visit our company and purchase our products. The product will supply to all over the world, such as Europe, America, Australia,Brunei , Israel ,Afghanistan , Costa rica .After 13 years of researching and developing products, our brand can represent wide range of products with outstanding quality in world market. We have completed big contracts from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. You probably feel secure and satisfy when copperate with us.