Abstract˖With the rapid development of manufacturing in china, the welding technology, especially plasma surfacing develops quickly. Plasma transferred arc welding technology has energy-saving, efficient and stable quality, it become one of important green manufacturing and remanufacturing technologies.The characteristics of plasma surfacing are summarized and compared with argon tungsten-arc welding, electrode welding and submerged arc welding. The present status and development trend of

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... surfacing equipment and methods are also reviewed. The problems and future developing orientation of plasma surfacing technology are proposed.