Wealthy Chinese Make Hong Kong a New Wine Hub

HONG KONG—One of this city's hottest businesses these days is located inside the cool, climate-controlled confines of a former World War II military bunker on the south side of Hong Kong island.

There, in a 6,000-square-foot space that offers some of the best cellaring conditions in Hong Kong, Gregory De'Eb shelters expensive wines from the semitropical climate for a rapidly expanding clientele of oenophiles from Hong Kong, mainland China and elsewhere in Asia. At around 27,000 cases, his storage facilities are filled to capacity.

"The past four months have been bigger than we ever expected," says Mr. De'Eb, a former ...