Answer:
South China sea bordered the countries- east of Vietnam, south of China, east of the Sumatra, west of the Philippines, west of Singapore and north of Borneo.
Explanation:
South China sea (marginal sea) - a part of Pacific ocean covering a large area extending from Malacca and Karimata strait to Taiwan strait.
One of the strategic importance of South China sea is its major shipping ground, huge supply of fishes to the neighboring countries, huge oil and gas reserves beneath the sea bed.
Champa sea is the another name of South China sea in South East Asia.
Major rivers which flows into South China sea are Red, Mekong, Agno, Min, Pearl, Pampanga.