Does the subject want to ask "What happened when the company received the transfer of 660 from the social security fund payer of Zhengzhou Social Insurance Center"? Returned social security contributions. According to the relevant information of the Social Insurance Center, we know that the transfer 660 received by the company from the social insurance fund expenditure account of Zhengzhou Social Insurance Center is the social insurance money returned. Social Insurance Center is the functional organization of Human Resources and Social Security Bureau to manage social security business.