 Complete the following phrase:  As a young player, Liu Libin participated in 2015 Asian Mens U23 Volleyball Championship as his earliest International tournament. Later, due to injured Zhu Zhiyuan, Liu Libin participated in 2015 FIVB Volleyball Mens U21 World Championship as the main OH and got the third place beyond the expectations of the Chinese U21 mens volleyball team. His International debut of the senior event is 2016 AVC Cup. Jiang Chuan and he played perfect and both got the best. Although he injured for many times, he just took part in 2017 FIVB Volleyball World League, 2018 FIVB Volleyball Mens Nations League and 