China's first controller for shared electric bicycle, China's first brushless controller for electric logistics vehicle, China's first controller meeting EN15194 certification requirements …… In these years, Tianjin Santroll Electric Automobile Technology Co., Ltd. always persists in independent innovation, and continuously expands the market in the fields of micro vehicle controller and new energy automobile driving system. It leads the technical direction in the industry, and has achieved the goal of annual income growth. So far, the shared electric bicycle controller produced by Santroll Electric has had a market share of more than 90%; the Company has developed the controller with the smallest size and the highest power density in the electric bicycle sector; it has applied for 148 patents for the flat wire motor for new energy passenger car developed independently by it, and has applied for international patents for the core technologies in that product.