Profile: Ningbo Runyes Medical instrument Co.,Ltd. provides sterilization equipment for dental professionals. Our dental unit care-22D has an adjustable shadowless lamp. It has an air turbine high speed hand piece with anti-resorption function & prevents pollution. It has an instrument tray holder switch with automatic examine function. Our dental unit care-22U has a new type footswitch, film viewer, instrument tray holder switch with automatic examine function & balance arm with adjustable shadowless lamp.