Hung Hua Hotel

The Hung Hua Hotel is a brothel in Heng Sha.

Of note inside are a weapons dealer (Lin Fu Ren), the side quest Dirty Business, a club pass for The Hive, and an ID card for Tai Yong Medical.

There is an access point which leads to the sewers, near the weapon dealer's room.

The dealer is not there on your second trip to Shanghai.