Read https://en.wikipedia.org/w/index.php?title=Mandarin_Chinese&...: Mandarin is a Koiné language (https://en.wikipedia.org/wiki/Koin%C3%A9_language) of various Chinese dialects (as I wrote above: What is called "Chinese dialects" is rather "different languages"), which has been standardized "artificially" (just as Zamenhof took words from various European languages and created a new artificial language (Esperanto) out of them).