The official Chinese language yes.
Your story is really not representative of China, Mandarin is nothing like Esperanto. It's a real dialect and it became the official language of China a long time ago. People speak Mandarin everywhere now (except maybe HK).
The official Chinese language yes.
Your story is really not representative of China, Mandarin is nothing like Esperanto. It's a real dialect and it became the official language of China a long time ago. People speak Mandarin everywhere now (except maybe HK).