Adhering into the theory of "quality, services, efficiency and growth", now we have gained trusts and praises from domestic and international shopper for commercial ventilation system, 300cmh ERV , Energy Recovery Ventilatation , PLATE TYPE HEAT EXCHANGER ,Mechanical ventilation with heat recovery . Our customers mainly distributed in the North America, Africa and Eastern Europe. we will source top quality goods using the really aggressive selling price. The product will supply to all over the world, such as Europe, America, Australia,Australia , Moscow ,Italy , Islamabad .We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.