Heonhyeol Cafe Suwon is a blood donation center in Maesan-dong, Suwon. Donors fill out a questionnaire on a tablet, take a number, and have their blood pressure and blood tested before giving whole blood or plasma. After donating, donors drink water or a cold beverage and rest in the waiting area for 15 minutes before going home. The center is on the third floor, and there is no elevator or parking lot.