The South China Sea as a closed sea that is part of the Pacific Ocean,
covering the area of the country, ranging from Singapore to the Strait of Taiwan,
as well as the Gulf of Tang-kia and the Thai Gulf. Approx. 3500000 square kilometers
These areas are important because they have a freight route through the one-third of the world.
It is also believed to be under the sea floor has large reserves of natural gas and oil.