How many linesmen are there in billiards Li Long?

Billiards player Li Long is a first-team player.

According to the evaluation standard of billiards, players' achievements are divided into first-line, second-line and third-line First-line players usually refer to the top players who have performed well and achieved outstanding results in large-scale international and domestic competitions. As the champion of China Eight-ball International Open and Qiao's Cup China Eight-ball International Open, the achievements and strength of billiards have reached the level of first-team players. Therefore, Li Long can be recognized as a first-team player in billiards.