Why do some units in Dexing Copper Mine need family ID cards?

Some units in Dexing Copper Mine need family ID cards for the following reasons:

1. Insurance benefits: Some units in Dexing Copper Mine provide insurance benefits for employees and their families, and it is necessary to verify the identity information of their families to ensure that they are eligible for the corresponding insurance benefits.

2. Emergency contact: Some units in Dexing Copper Mine need employees to provide emergency contact information so as to inform their families and contact them in case of emergency. These are the reasons why some units in Dexing Copper Mine want family ID cards.