"Based on domestic market and expand overseas business" is our development strategy for compactded design HRV, Commercial ventilation solution , compactded design HRV , ventilation hygiene ,climate . Be sure to never wait to get in touch with us for anyone who is interested within our solutions. We firmly believe that our products and solutions will make you happy. The product will supply to all over the world, such as Europe, America, Australia,Botswana , Rio de Janeiro ,Las Vegas , Saudi Arabia .We have been fully aware of our customer's needs. We deliver high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.