"Based on domestic market and expand overseas business" is our development strategy for heat recovery ventilation, crossflow heat exchanger , Cleanroom heat exchanger , heat pipe heat exchanger ,Single Room Ventilation . We are willing to give you the best suggestions on the designs of your orders in a professional way if you need. In the meantime, we keep on developing new technologies and creating new designs so as to make you ahead in the line of this business. The product will supply to all over the world, such as Europe, America, Australia,Israel , Niger ,Romania , Czech Republic .Providing Quality Items, Excellent Service, Competitive Prices and Prompt Delivery. Our products and solutions are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.