With our loaded working experience and thoughtful products and services, we've got been acknowledged as a reputable supplier for most international buyers for negative pressure and positive pressure, Floor standing ERVs , Counterflow Core Recuperator , HEPA Filter ,HRU . If you are looking for Good Quality at a good price and timely delivery. Do contact us. The product will supply to all over the world, such as Europe, America, Australia,Austria , Slovak Republic ,Los Angeles , Turkmenistan .At Present, our products have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.