When a ship sails down the Yangtze River near Nanjing, its towering decks and polished steel might look flawless. But under the waterline, the story is very different. Invisible troublemakers—barnacles, algae, and slimy biofouling—cling tightly to the hull, silently increasing drag and reducing performance. This is why underwater ship hull cleaning in Nanjing has become indispensable. In […]