Technician in charge, Reproductive Medicine Center of Strategic Support Force Characteristic Medical Center, specializes in reproductive endocrine diseases, diagnosis and treatment of female infertility, treatment of recurrent abortion, three-dimensional ultrasound uterine cavity evaluation, endometrial receptivity evaluation and hysterosalpingography under ultrasound monitoring. Dr. Han Ruigang has superb medical skills and accumulated rich work experience in practical work. He has helped many patients get rid of disease problems and has been favored by many patients.