Our solutions are widely regarded and trustworthy by consumers and may meet continually modifying financial and social requirements for Ventilation Heat Recovery, air condition , low temperature heat exchanger , negative pressure isolation room ,Air To Air Heat Exchanger . Since establishment within the early 1990s, now we have arrange our sale network in USA, Germany, Asia, and several Middle Eastern countries. We intention to get a top class supplier for worldwide OEM and aftermarket! The product will supply to all over the world, such as Europe, America, Australia,Colombia , Bolivia ,Malaysia , Seattle .We have got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.