Fly Sonic Electronic Co., Ltd. is a professional headphone manufacturer with a history of 12 years in Dongguan, China，which integrates research and development, design, production and sales.We have professional R&D team, production team, mature quality control system, mature product line and headphone company's patented products, focusing on OEM/ODM market, and passed ISO9001 and BSCI certification. Our policy is customer first, full participation, manufacturing quality, continuous improvement and to achieve the goal of a 100% delivery rate and a customer satisfaction of over 90 points.