With a sound business credit, excellent after-sales service and modern manufacturing facilities, we have earned an excellent reputation among our customers across the world for Floor ERV, High efficiency heat exchanger , air purification and Dehumidification , CROSS COUNTERFLOW HEAT EXCHANGERS ,hospital ventilation system . We have more than 20 years experience in this industry, and our sales are well trained. We can give you the most professional suggestions to meet your products' requirements. Any troubles, come to us! The product will supply to all over the world, such as Europe, America, Australia,Qatar , California ,Adelaide , Washington .If you give us a list of products you are interested in, along with makes and models, we can send you quotations. Please email us directly. Our goal is to establish long-term and mutually profitable business relationships with domestic and overseas clients. We look forward to receiving your reply soon.