Being supported by an state-of-the-art and skilled IT team, we could supply technical support on pre-sales & after-sales service for fresh air recuperative ventilation, negative pressure and positive pressure , parts of HVAC system , crossflow heat exchanger ,hvac system . Therefore, we can meet different inquiries from different consumers. You should find our web page to check additional info from our products. The product will supply to all over the world, such as Europe, America, Australia,Jamaica , Vancouver ,Turkmenistan , Argentina .We have been sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you with our high-quality products and solutions and perfect service . We also warmly welcome customers to visit our company and purchase our products.