Located in Ningbo, established in 2010, HD are specialized in heat exchanger and all kinds of parts for HVAC products. Our factory has 1000 hundreds skilled workers and 50 experienced engineers. All our people treat quality as the most important and pay special attention to product developing and technology innovation. Our team consists of professional sales with technical background who have worked in HVAC field for around ten years, thus have better understanding on any requirement for HVAC. HD people will satisfy our clients with our best quality and best service, and make deal with win-win business strategy.