We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for air to air wheel type heat exchanger, 600cmh ERVs , liquid circulation recuperator , HRU ,compactded design HRV . If you are interested in any of our products and services, please don't hesitate to contact us. We are ready to reply you within 24 hours after receipt of your request and to create mutual un-limited benefits and business in near future. The product will supply to all over the world, such as Europe, America, Australia,Belarus , India ,Hongkong , Egypt .We've got sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.