Used it. According to the racket models used in Chen Long's career, we can know that Li Ning n99 series rackets are specially used in Chen Long, and N99 is pneumatic diversion. The unique design of wind-finding groove can reduce the eddy current generated on the back of the racket frame during fast swing and effectively avoid the left and right shaking of the racket when hitting the ball, so it has been used all the time. Chen Long, male, born in Jingzhou, Hubei Province on June 8th, 1989+65438, is a badminton player in China. Joined the national team in 2006, participated in the Olympic Games for the first time on 20 12, and ranked third in the badminton men's singles.