Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for Ducted Heat Recovery Ventilation System, parts of HVAC system , Customized Function Modules , Ventilation System Design ,Counterflow Core Recuperator . Our goal is to create Win-win situation with our customers. We believe we will be your best choice. "Reputation First, Customers Foremost. "Waiting for your inquiry. The product will supply to all over the world, such as Europe, America, Australia,Rotterdam , Ghana ,Hongkong , Istanbul .We warmly welcome you to come to visit us personally. We hope to establish a long-term friendship based on equality and mutual benefit. If you want to get in touch with us, please do not hesitate to call. We will be your best choice.