Who knows the Black Dragon Club?

The "Black Dragon Club" was founded in 1980s. At first, its members were mainly China immigrants from Vietnam to the United States. Later, they gradually accepted some immigrants from other parts of Asia, including those from China in the last decade. It is reported that the numbers 2 and 4 are often printed on the backpacks, hats and clothes of the members of the Black Dragon Gang, in which "2" stands for B, ranking second among the 26 English letters, and stands for black in the English name of the Black Dragon Gang. "4" stands for the fourth letter D in the English alphabet and stands for dragon. Many members of the Black Dragon Gang still have the image of the black dragon tattooed on their arms, backs, chests and legs.