To create much more benefit for consumers is our company philosophy; customer growing is our working chase for Mechanical ventilation with heat recovery, ALUMINUM FOIL HEAT EXCHANGERS , no cross contamination heat exchangers , liquid circulation recuperator ,Air Conditioner . Honesty is our principle, skilled procedure is our perform, service is our target, and customers' satisfaction is our long term! The product will supply to all over the world, such as Europe, America, Australia,Swedish , Dubai ,Thailand , Islamabad .We have been making our products for more than 20 years . Mainly do wholesale , so we have the most competitive price , but highest quality. For the past years , we got very good feedbacks , not only because we provide good products , but also because of our good after-sale service . We are here waiting for you for your inquiry.