Luoyang's double-motion technology is based on unique geographical advantages, with specialized skilled workers and processing equipment, and specialized manufacturers engaged in the development and production of vehicle technology such as bearings, gears, gears, etc. Products: reversal bearings \/trill bearings, high-precision rotor bearing bearings, precise cross-roll bearings, precise cross-convene rolling bearings, etc., of p0, p5, p4, p2, non-standardized or map-based processing。