Shanghai Medical Equipment Factory (SMEF) established in 1951 is a manufacturer of “Yishen” Ventilators, Anesthesia machines, Operating tables, Delivery bed, monitors, medical air compressors, and “Moon Rabbit” Oxygen Regulator, Sphygmomanometer, Aneriod Sphygmomanometer, and “Eagle” Operating light with a long history of production, advanced processing technology, excellent testing equipment and perfect after-sales service....