Mong Vil Hotel Conference Hall Case

Quick answer：

The 'Mong Vil Hotel Conference Hall Case' refers to a specific incident or case study related to the Mong Vil Hotel's conference hall. However, without more context, it is difficult to provide detailed information about this case. If it is a well-known case study, it might involve aspects of hotel management, conference organization, or facility usage. If you can provide more details or specify the nature of the case, a more accurate response can be given.