1. Review the past history and achievements of the organization to show its value and influence.
2. Explain the reason and significance of the organization's name change, as well as the origin and meaning of the new name.
3. Emphasize the opportunities and challenges that the new name will bring, as well as the expectations and plans for the future of the organization.
4. Invite readers to join the big family of the organization and share their views and expectations for the future development of the organization.
You can use some lively language and words to make the copy more attractive and approachable and easier for readers to understand and accept. Remember to use the organization's logo and color appropriately in the copy to enhance brand recognition.