The formulation of this standard regulates common issues in the identification of old parts, remanufacturing processes and methods, remanufacturing tests, remanufacturing traceability and labeling of planetary reducer remanufacturing. The standard has normative and guiding significance. Through the implementation of this standard , can increase the market's awareness and trust of remanufactured planetary reducers, promote and improve the remanufacturing level of hydraulic components, and promote the improvement of the technical level, safety, reliability, environmental protection and other aspects of planetary reducer remanufactured products. , achieve energy conservation, emission reduction, and green manufacturing, thereby promoting the healthy development of the planetary reducer remanufacturing industry.