Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction for Fresh air recuperator, HRU , China Heat Exchanger , ventilation hygiene ,heat recovery ventilator . We always regard the technology and customers as the uppermost. We always work hard to create great values for our customers and offer our customers better products & services. The product will supply to all over the world, such as Europe, America, Australia,New Delhi , Comoros ,Swedish , America .We have a large share in global market. Our company has strong economic strength and offers excellent sale service. We have established faith, friendly, harmonious business relationship with customers in different countries. , such as Indonesia, Myanmar, Indi and other Southeast Asian countries and European, African and Latin American countries.