Mandarin Chinese, also known as Huayu (language of Chinese), Guoyu (national language) or Putonghua (common language) is the official language of mainland China and has been since 1982 and of Taiwan since 1932.
It’s also one of the four official languages of Singapore and is one of the eight official languages of the United Nations.
Mandarin is shaped and based on the Beijing dialect and other northern Chinese dialects.