Which has a positive and progressive attitude to customer's desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of passitive house ventilation system, Ventilation System Design , Hospital use heat exchanger , Rooftop Packaged Air Conditioner ,Rotary heat exchanger . Adhering to the business philosophy of 'customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us give you best service! The product will supply to all over the world, such as Europe, America, Australia,Toronto , Zambia ,United Arab emirates , New Zealand .With the highest standards of product quality and service, our products have been exported to more than 25 countries like the USA, CANADA, GERMANY, FRANCE, UAE, Malaysia and so on.We are very pleased to serve customers from all over the world!