Quanyun Electronics Corporation is a leading supplier of acoustic parts, with a knowledge based on more than 20 years of experience.The company's headquarter is located in Dong Guan ,China, we specialize in the development and production of speaker parts. Our products are horn diaphragm components, dome diaphragms, speaker cones, damper spiders, dust caps and other speaker parts which are widely used in HI-FI home theater, professional audio, car speakers, multimedia and other high-end products.We use the state of the art materials to achieve the highest levels of precision, performance and durability. As well as we are regularly developing new innovations such as sandwich cone technology, high tech compression membranes and ceramic treatments.Quality products, attractive cost, on-time delivery and approachable customer service are what we're achieving for every customer.Everything we do is directed towards delivering the perfect sound for our customers. Let us join you to contribute a beautiful sound to enjoy pleasant life.