you can use Guangdong to change your social security card easily.

1. Open WeChat and search for "Guangdong saves trouble" applet.

2. open the "Guangdong province" applet and click "my certificate" to bind your social security card.

3. Click the social security card, click the replacement application, and check the handling instructions.

4. Just fill in the information and mailing address according to the tips of the applet.