Mongolia National 3rd Hospital visited Sun Medical Center in Daejeon City, Korea and benchmarked its advanced medical system. The 12 medical staff, who were nurses and administrative staff, from Mongolia National 3rd Hospital had service training and had a tour through Sun Medical Center on 2nd of December, 2015. They received a completion certificate upon finishing this customer service training like basic manners, telephone etiquette, and facial expression. Also, they had a guided hospital tour to look through the cutting-edge cancer treatment RapidArc and CAD/CAM Digital System that allows one day dental prosthetic treatment. The trainees showed high satisfaction with Sun Medical Center's education.