Which taekwondo gym in Xiamen is better? Where is it?

Director of SHEN WOO Taekwondo Research Institute, black belt certified by Korean National Institute of Technology, coach of Xiamen University Taekwondo Team, and graduate students of Xiamen University currently have four halls: Xiamen University Hall, Evergrande Building, Wuyuanwan Hall, Wu Tong Commercial Center, Jinshan Hall, Second Welfare Institute, Ando Hall and Ando Water Plant.