Foreigners from many industries have been enquiring about entering China. As far as Shanghai is concerned the rules are quite simple. Any foreigner needs to have a residence permit (visa) in their passport. These are marked with one of three reasons for residence: work, student or family/spouse. It is possible to enter China without one of these, if a Z visa has been issued by a company intending to employ the foreigner. This means all documents must have already been…