SPG hotels frequently have not been assigned proper Catorgory in Beijing
St regis in Shanghai Cat 4
Le Meridian Shanghai Cat 4
Westin Bund Cat 5
all above are resonable, but in beijing 2 westins are cat 5 and st regis is cat 6 which I believe they should be 1 catogory lower
Normally Shanghai hotels should be more expensive than beijing unless some special events