continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for Ventilation system, CROSS COUNTERFLOW HEAT EXCHANGERS , Office Ventilation , Rooftop Packaged Air Conditioner ,hospital air handling units . Our items have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. On the lookout ahead to make up a good and long-lasting cooperation with you in coming potential! The product will supply to all over the world, such as Europe, America, Australia,Atlanta , Tanzania ,Accra , Miami .Custom orders are acceptable with different quality grade and customer's especial design. We are looking forward to establish the good and successful cooperation in business with long terms from the customers of all over the world.