Do both Rongcheng, Shandong and Dongsheng District border the Yellow Sea?
Dongsheng District: Dongsheng District (Mongolian: ᠳ᠋ᠦᠩᠱᠧᠩ ᠲᠣᠭᠣᠷᠢᠭ Дүншэн тоори "Düŋšėŋ toɣoriɣ"; ; alternate spelling English: Koshang; Turkic: Košang) is a District and the seat of Ordos City, Inner Mongolia, People's Republic of China.
i don't know