Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for HRVs, heat recovery core of AHU , Office Ventilation , negative pressure room ,heat recuperative ventilation . Our Company Core Principle: The prestige first ;The quality guarantee ;The customer are supreme. The product will supply to all over the world, such as Europe, America, Australia,United States , Detroit ,Danish , Atlanta .Now, we professionally supplies customers with our main merchandise And our business is not only the "buy" and "sell", but also focus on more. We target to be your loyal supplier and long-term cooperator in China. Now, We hope to be the friends with you.