How long will it take to sign the contract after the expiration of the publicity period after being admitted to Guangzhou Railway Group?

He was admitted by Guangzhou Railway Group and signed the contract three months after the expiration of publicity. According to relevant information: Guangzhou Railway has passed the probation period of more than three months after the interview, and can basically go to work. After the interview, the candidates to be hired will be selected according to the results ranking, and will be publicized for 7 days through China Railway Talent Recruitment Network and Guangzhou Railway Group Portal.