Advance Booking, Save 20% Off on Deluxe Studio Room Dorsett Shanghai, China. Make sure to book your stay 3 days in advance at Dorsett Shanghai, China and save 20% on deluxe studio room as well enjoy exclusive benefits of: Free buffet breakfast for one person. 20% discount on room rate at Best Available Rate. 24 hours free use of wifi and in room broadband Internet access. Terms & Conditions: Period of booking & stay: Now until 30th June 2017. Subject to 15% service charge.