Qianxun Spatial Intelligence Inc. (Qianxun SI) is a world’s leading high-precision positioning service provider. We offer position service up to centimeter level accuracy (real-time) and millimeter level accuracy (post-processing), which is one of the most important infrastructure in the IoT Era. Qianxun SI was founded on August 18th, 2015. Based on raw observation data delivered by four GNSS constellations (incl. Beidou, GPS, GLONASS and Galileo), Qianxun services, accessing through internet, by utilising self-built ground-based augmentation system (incl. more than 2400 reference stations) and self-developed positioning algorithms, dramatically improve positioning accuracy. Thus, Qianxun SI provide high-precision positioning and relative LBS solutions for users across China.