Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for Heat recovery units, HEPA Filter , Air Handling Units , Counterflow Core Recuperator ,Ventilation system . Welcome throughout the world buyers to speak to us for organization and long-term cooperation. We're going to be your reliable partner and supplier. The product will supply to all over the world, such as Europe, America, Australia,Ghana , Finland ,Honduras , Cologne .Our products are widely sold to Europe, USA, Russia, UK, France, Australia, Middle East, South America, Africa, and Southeast Asia, etc. Our solutions are highly recognized by our customers from all around the world. And our company is committed to continually improving effectiveness of our management system to maximize customer satisfaction. We sincerely hope to make progress with our customers and create a win-win future together. Welcome to join us for business!