Guangzhou Langham Hotel Ballroom Case

Quick answer：

The Guangzhou Langham Hotel Ballroom Case refers to a specific instance or example of the hotel's banquet hall operations, design, or an event held there. This could include aspects like event planning, design, customer service, or the unique features of the ballroom. For detailed information about this case, one would need to consult specific sources related to the Guangzhou Langham Hotel.