Fitness & Yoga, Fitness Studios/Gyms, Martial Arts/MMA/Boxing Def Boxing Gym is a fitness studio offering competitive boxing training, Muay Thai, and personal training classes. http://www.def.com.hk/new/ B/F, 124 Connaught Road Central +852 2840 0162 f https://www.facebook.com/DEFHK/ info@def.com.hk