Medical equipment subcontracting refers to what

In layman's terms, medical equipment, that is, those large-scale equipment , for example: X-ray diagnostic equipment, ultrasound diagnostic equipment, functional examination equipment, endoscopy equipment, nuclear medicine equipment, etc.; medical equipment, that is, those small ones, for example: thermometer, blood pressure meter, microscope, audiometer, X-ray machine, CT scan, magnetic **** vibration, ultrasound, etc.; medical consumables, refers to the disposable ones, for example: Sutures, Piercers, Syringes, Infusers, etc.