This document stipulates the general remanufacturing requirements, remanufacturing process, main system and component remanufacturing technical requirements, safety and environmental protection requirements, inspection methods, markings, accompanying documents, transportation and storage of hydraulic press remanufacturing. This document is applicable to the remanufacturing of hydraulic presses with a nominal force of no more than 2000t in the Hefei remanufacturing agglomeration area. Other types of hydraulic presses can be used as a reference.