The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme for heat recovery ventilator, Manufacturer of large airflow AHU , China Heat Exchanger , CROSS COUNTERFLOW HEAT EXCHANGERS ,industrial hvacr . We warmly welcome clients, enterprise associations and mates from all over the globe to speak to us and find cooperation for mutual rewards. The product will supply to all over the world, such as Europe, America, Australia,Ghana , Kuwait ,Amsterdam , Muscat .We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to provide you with the best services. If you need more information, please do not hesitate to contact us via E-mail, fax or telephone.