Tianjin children's social security card can only be used until the age of seven?

Yes. After checking the social security profile of Tianjin, we know that the children's social security card can only be used under the age of seven. Tianjin, referred to as "Tianjin", also known as Jingu, Jinmen, is the People's Republic of China *** and the country's provincial-level administrative regions, municipalities, national central cities, mega-cities, the State Council approved the determination of the Bohai Sea region's economic center.