We're committed to furnishing easy,time-saving and money-saving one-stop purchasing support of consumer for heat recovery core, air treatment , Rooftop Air Conditioner , Energy Recovery Ventilation System ,Total Heat Exchanger . Our products are regularly supplied to many Groups and lots of Factories. Meanwhile, our products are sold to the USA, Italy, Singapore, Malaysia, Russia, Poland, and the Middle East. The product will supply to all over the world, such as Europe, America, Australia,Czech , Sri Lanka ,Benin , Singapore .Furthermore, all of our items are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our goods, please don't hesitate to contact us. We will do our best to meet your needs.