Being supported by an advanced and specialist IT team, we could give technical support on pre-sales & after-sales services for fresh air units, Energy Recovery Ventilation System , crossflow heat exchanger , ventilation at hospital ,VRF system . We sincerely welcome all guests to set up business relationships with us on the basis of mutual benefits. Please contact us now. You will get our professional reply within 8 hours. The product will supply to all over the world, such as Europe, America, Australia,Portland , Costa Rica ,Australia , Mexico .We have more than 10 years experience of production and export business. We always develop and design kinds of novel products to meet the market demand and help the guests continuously by updating our products. We are specialized manufacturer and exporter in China. Wherever you are, please join us, and together we will shape a bright future in your business field!