All we do is usually connected with our tenet " Customer to start with, Rely on initial, devoting on the food packaging and environmental protection for Fresh Air System, HRU , Ventilation In Buildings , Air To Air Heat Exchanger ,Rooftop Packaged Air Conditioner . We appreciate your enquiry and it's our honor to work with every friend worldwide. The product will supply to all over the world, such as Europe, America, Australia,Bulgaria , Hamburg ,Seychelles , United States .Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.