Does Shanghai Jiaotong University need files for employment?

No need. The labor contract does not need to be put on record, but it should be put in the file after signing. This Labor Contract is made in triplicate, one for Party A and Party B respectively, and one for Party B's file, which shall come into effect as of the date of signing. Shanghai, referred to as "Shanghai" or "Shen" for short, is a provincial administrative region, a municipality directly under the Central Government, a national central city, a megacity and the core city of People's Republic of China (PRC) (China).