Hunan Bynav Technology (湖南北云科技有限公司) is a company that specializes in the development of global navigation satellite system (GNSS) positioning core components. It features GNSS signal processing algorithm, real-time kinematic (RTK) algorithm, and multi-source fusion algorithm and provides a series of products such as GNSS chip, boards, receivers and integrated navigation system, that are used in automatic driving, driving test, and measurement. The company caters to the fields of surveying, aerospace, and industrial control.