HB Optical's medical cold light source products include cold reflectors for surgical lamps, color temperature filters for surgical lamps, and cold light reflectors. Mainly used in operating room shadowless lamp, minimally invasive surgery equipment, endoscope products. The reflector is processed by precision numerical control molding and polishing, and the inner surface is coated with a reflective reflective optical film, the light spot is well focused, the light source utilization efficiency is high, and the emitted light has little heat radiation. The special color temperature filter for surgical lamp is used for high-quality surgical lighting equipment. The light source with low color temperature is adjusted to high color temperature, and the color rendering index is good.