Adhering into the theory of "quality, services, efficiency and growth", now we have gained trusts and praises from domestic and international shopper for heat recuperative ventilation system, ventilation hygiene , HRVs , heat recovery core of AHU ,heat recovery core . With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in this industries and other industries. The product will supply to all over the world, such as Europe, America, Australia,Boston , Latvia ,French , Guinea .Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of "Quality First, Reputation First, the Best Services."