"Based on domestic market and expand overseas business" is our improvement strategy for negative pressure isolation room, compactded design HRV , Holtop AHU heat exchanger , indoor air quality ,HVAC air handling units . You should send us your specifications and requirements, or feel totally free to speak to us with any questions or inquiries that you may have. The product will supply to all over the world, such as Europe, America, Australia,Croatia , Gambia ,Kyrgyzstan , El Salvador .With many years good service and development, we have a qualified international trade sales team. Our goods have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!