Key points
Language
Mandarin is the official language of China. It’s recommended to learn some basic Chinese, especially if you want to visit less well-known cities, as not all Chinese people speak English.
Currency
The official currency of China is the Chinese Yuan (CNY) or Renminbi(RMB). you can find people say RMB or Yuan it’s similar, which is approx. 0.14 USD.
Weather
The best months to visit China are: April, May, June, September & October. ideal months for travel almost anywhere in the country.
Plugs
China uses two plug types: type A with two flat parallel pins, and type I is the plug which has three flat pins in a triangular pattern.220V supply voltage and 50Hz.