Winsun Technology Industrial Ltd was established in 1996, and is a fast growing headsets professional producer. Years of manufacturing experience and professional technology even makes the project development capability leading the industry. The quality of products enjoys a high reputation, and the company is now accredited with the ISO9001: 2000 certification.燱e are also the original manufacturer for many well-known companies which require headphones to accompany their products. OEM/ODM orders are sincerely welcome