Beijing Madinat Technology Ltd. (herein after referred to as BMT) is a national high-tech enterprise approved by China Aerospace Science & Industry Corp, mainly in Internet of Things (IOT) and Location based Service (LBS). BMT is a professional manufacturer and exporter that is concerned with the design, development and production of indoor localization system, which is central to geomagnetic localization technology and integrates inertial navigation and bluetooth positioning technology. Since its creation, BMT has a future-oriented business idea, through professional technology and location service, the world will become more efficient and well-ordered. Its core technology, geomagnetic localization technology is a successful application of military technology in the civil field, which has won the second prize of national defense technology invention