Shenzhen Yongjiayun Technology Co., Ltd. was established in 2015, which has been committed to providing OEM/ODM services for global electro-acoustic industry brands. The company integrates the research and development, design, production, sales and service of headphones, wired headphones and wireless headphones, and has established cooperation with many countries' electro-acoustic product brands around the world. Our company is technologically innovative and focused on quality. We serve more electro-acoustic brands in the world, and become a reliable partner in the production of electro-acoustic product brands.