Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for indoor air quality, Holtop Heat exchanger , heat recuperative ventilation system , Counterflow Core Recuperator ,heat wheel . We put genuine and health as the primary responsibility. We have now a expert international trade crew which graduated from America. We are your next small business partner. The product will supply to all over the world, such as Europe, America, Australia,Jersey , Montpellier ,Belarus , belarus .At Present, our merchandise 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.