Quality ranking: Siemens Philips GE.
GE are sold under license by merging other brands of medical equipment. The quality, especially after-sales service is very average, which is the biggest shortcoming of GE products. But it has the biggest sales volume. The variety is very complete: ultrasound, anesthesia machines, monitors, CT, DSA are available.
Siemens product quality is nothing to speak of. But the price is high. Main products: CT, nuclear magnetic **** vibration, linear gas pedal and other large medical equipment. German products, from quality to after-sales is very good.
Philips quality is also superior. After the merger of Agilent, the strength has been enhanced.