Entering into the 21st century, remanufacturing engineering has been developed rapidly in China, Especially from 2005, lots of remanufacturing laws and regulations have been released. Remanufacturing engineering is the industrialization of high technology maintenance to the waste productions, and the advanced period of the maintenance engineering and surface engineering. The basic character of surface engineering is synthesis, intercross, compounding, and optimization. Surface engineering takes the “surface” as core. Nano surface engineering is the integration and creation between the nano materials and traditional surface engineering. To adapt the demand of remanufacturing industrialization, five kinds of automatic and intelligentized technologies, namely automatic nano electro-brush plating technology, automatic high velocity arc spraying technology, semi-automatic micro plasma arc welding technology, automatic laser cladding technology, and intelligentized self-repair technology, have been independently innovated.