Cangzhou Ruichi Hardware Manufacturing Co., Ltd is one of the leading manufacturer and exporter of HVAC products in China. We have developed and become one of the best suppliers for HVAC products.Our company has realized integration of industrial and trading in a real sense.We not only have production ability which can offer you OEM service, but also have rich supplying resource which can offer you one-stop service.Because of this, we have established wide products range and can supply our customers in a very convenient way.With advanced technology and strict quality control, Ruichi is dedicating in designing and offering a wide range of dampers, damper accessories, ductwork parts as well as other sheet metal parts in this HVAC system.Our main markets are in America, Europe, Middle East etc. and we have established stable and friendly cooperation with many famous companies in this industry all over the world.My company will adhere to the principles: Quality First, Customers First for introducing more high quality products to meet the need of customers.