What are the most popular exhibitions about hotel engineering or commercial space design?

During April 26-29, there are related exhibitions in Hall W1-W2 of Shanghai New International Expo Center (SNIEC), which is called the punching place for business living spaces such as boutique hotels, theme homestays, special restaurants and office enjoyment, aiming at providing the most fashionable solutions for major business spaces and hotel engineering fields. If you are interested, don't miss it!