Tianjin check double social security is to check the sea and river double social security?

No. Generally speaking, Tianjin checking double social security refers to checking the payment status of social insurance and housing provident fund participated by employees in Tianjin area. The Haihe Dual Social Security is a comprehensive service program launched by the Tianjin Municipal Government covering social insurance and housing fund, which has a wider meaning and scope. Therefore, checking double social security in Tianjin does not necessarily mean checking double social security in the sea and river, it may just mean checking the payment status of social insurance and housing provident fund participated by the employees in Tianjin area, not including all the functions of the double social security program in the sea and river.