... cell phone and other subminiature parts. Optical Head Magnifier (Optical Instrument)Hongguang Optics is the ... establishment, we only produced 3 types of head magnifier, now, with 10 years manufacture experience ... , we have near 20 models head magnifier, including Led, Illuminated, and so on ... PP, PTR, etc material, Special 3 LED lamps, high bright and saving power. To use it ...