has devoted itself to building cutting-edge independent brand kilometer the requirements of heavy-duty vehicles and harsh conditions. The lightweight high-end ceramic version of passenger cars has the advantage of excellent anti recession, application under high-speed performance and comfortable pedal feeling. The ultra quiet ceramic version of electric passenger cars and other products have the characteristic of less dust accumulation, long service life and excellent performance. It is especially suitable for solving NVH noise solution and effectively solving the adhesion problem of friction pairs.