"Based on domestic market and expand overseas business" is our improvement strategy for HVAC air handling units, Heat recovery ventilation system , heat wheels , sensible heat exchanger ,heat recuperative ventilation system . All prices depend upon the quantity of your respective order; the extra you purchase, the extra economical the rate is. We also offer fantastic OEM provider to numerous famous brands. The product will supply to all over the world, such as Europe, America, Australia,Birmingham , Thailand ,luzern , Ecuador .We have won a good reputation among overseas and domestic clients. Adhering to the management tenet of "credit oriented, customer first, high efficiency and mature services", we warmly welcome friends from all walks of life to cooperate with us.