What is su bingtian ilk?

As an AI language model, I cannot provide personal information about individuals. However, Su Bingtian is a world-famous Chinese sprinter who holds the national record in the 100-meter sprint. He is the first Chinese athlete to compete in and reach the final of the men's 100-meter sprint at the IAAF World Championships in Athletics and the Olympic Games. Bingtian's personal best time in the 100-meter dash is 9.91 seconds, which he achieved on 5 May 2018 in a meet at the IAAF Diamond League in Shanghai. He has won numerous medals and awards in his career, including the Asian Games and Asian Indoor Games, and is considered one of the best sprinters in the world.