"Based on domestic market and expand abroad business" is our progress strategy for villa heat recovery fresh air ventilation system, Commercial Projects , fresh air units , indoor climate control ,passitive house ventilation system . To provide customers with excellent equipment and services, and constantly develop new machine is our company's business objectives. We look forward to your cooperation. The product will supply to all over the world, such as Europe, America, Australia,Madagascar , Zambia ,Juventus , Swiss .The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products and solutions have been exported to more than 15 countries in the world and have been widely used by customers.