Nobong sits in northern Oji Island and hosts two heavy-industry facilities:
Nobong Quicklime Factory — produces quicklime that boosts farm production.
Nobong Cement Factory — produces cement from Dongsan limestone.
Nobong Landfill
A Nobong Landfill is among the documented facilities on Oji. The desert near Nobong and Dongsan is popular for off-roading and rallies.