Meaning: “Dadi Group, Coal first”

Solid line part: symbolizing economic entity, representing two core enterprises, D is Dadi Company, A is Aury Company.

Dotted line part: symbolizes unlimited expansion, indicating the member enterprises of the Group

“DD”: means “Dadi”

“A”: means “first”

The combination of solid line and dotted line gives people a sense of dynamic and infinite extension, which symbolizes the continuous development and growth of the Dadi Group.