Dongguan Social Security inquired in the designated hospitals in Guangzhou.

Dongguan's social security card can be reimbursed on the spot if it is hospitalized in a designated hospital in Guangzhou.

For example, Zhongshan Third Hospital (whether to consult whether the hospital is a designated hospital for social security in Dongguan).

Other items are not available.

You are not allowed to use other people's social security cards.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.