High-end name of membership grade classification

1, black card member: A black card refers to a high-end membership card that is usually black, representing a higher level of service and treatment.

2. Diamond member: Diamond is one of the precious stones, symbolizing nobility, rarity and priceless.

3. Supreme Member: The word Supreme comes from the meaning of "the most distinguished" in Chinese. Many companies refer to the highest-level members as "supreme members" to show their dignity, privileges and uniqueness.