"Based on domestic market and expand overseas business" is our development strategy for indoor air quality, heat pipe heat exchanger , ERV , heat exchange wheel ,ventilation at hospital . Please feel absolutely free to speak to us for organization. nd we believe we will share the best trading practical experience with all our merchants. The product will supply to all over the world, such as Europe, America, Australia,Guatemala , Luxembourg ,Slovakia , Madagascar .With a team of experienced and knowledgeable personnel, our market covers South America, the USA, the Mid East, and North Africa. Many customers have become our friends after good cooperation with us. If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon.