The policeman asked if he could say his mobile phone number.

The communication method of the police handling the case will use WeChat, private mobile phone number and ordinary landline number to contact some irrelevant hard legal documents.

The police generally refer to the China People's Police. China People's Police is a national civil servant, and it implements a five-level rank system, namely, director, commissioner, superintendent, superintendent and police officer. Purple and blue are the main colors of clothing.