North Korea's official country name is the Democratic People's Republic of Korea. China's official country name is the People's Republic of China. Democratic People's Republic of Korea. República Popular Democrática de Corea. 朝鲜民主主义人民共和国. 조선민주주의 인민공화국 People's Republic of China. República Popular China. 中华人民共和国. 중화인민공화국 丹东站-平壤站 I can't speak and comment written in Japanese at all. You'd better reply comment written in Korean, not Japanese.