Founded in 2011, Shenzhen Changfeng is a high-tech enterprise (passed by Guogao certification) focusing on the field of sound technology, and is also a leader in the field of professional terminal microphone products. At present, there are more than 700 employees and three core brands of independent research and development, production and sales. Among them, BOYA (Boya) brand is the leading brand of professional microphones in China; SARAMONIC (Fengdi) is a high-end microphone brand in more than 100 countries and regions around the world. Regions have leading sales; SEVENOAK is a professional brand of photographic equipment accessories.