What is the relationship between rambler and Beijing Edfa?

Rambler is a brand owned by Beijing Edfa. Rambler is the brand of Beijing Edfa Technology Co., Ltd. Founded in 1996, Rambler EDIFIER Rambler is an enterprise integrating product creativity, industrial design, technology research and development and large-scale production. The company is mainly engaged in the research, development, production and sales of home audio, professional audio, car audio, headphones and microphones.