Dial again. Kenli National Fitness Center can't get through. It may not be business hours yet, so you can redial. The free opening event in Hall D of the Fitness Center is basketball, and the free opening hours are 8: 30 am-11:30 am and 4: 00-21:00 pm. Basketball matches need to be reserved in advance (reservation in Wei Song, reservation telephone number 13565438+. Badminton, table tennis and balloon volleyball in Hall B of the Fitness Center are free, and the free opening hours are 8: 30 am-11:30, and afternoon 14:00-2 1:00.