Along with the "Client-Oriented" small business philosophy, a rigorous high-quality handle system, highly developed producing machines and a powerful R&D group, we always supply high-quality products and solutions, fantastic services and aggressive costs for Wall Mounted, high efficiency heat recovery ventilation system , HRU , Wall Mounted ,HEPA Filter . We have experienced manufacturing facilities with more than 100 employees. So we can guarantee short lead time and quality assurance. The product will supply to all over the world, such as Europe, America, Australia,Qatar , UK ,San Francisco , Riyadh .If you have any requests, pls email Us with your detailed demands, we will give you the most wholesale Competitive Price with the Super Quality and the Unbeatable First-class Service ! We can give you the most competitive prices and high quality, because we are much more PROFESSIONAL! So please do not hesitate to contact us.