Tengchong social security card has been frozen. Can it be used in Ruili?

You can't. Social security card can't be used in Ruili. The only way is to go to the human resources and social security departments to listen to the reasons for the freeze, and then correct the mistakes according to the reasons or delete them after processing. Social security cards are issued by People's Republic of China (PRC) and local human resources and social security departments.