... LtdExhibits: Sunglasses and sports spectacles, presbyopia glasses, lens & optical blanks, glasses spare parts, tools, manufacturing equipments, optometry ... exhibitor's demands, but also promotes the direct participation of optical upstream companies. It will ... . The exhibits include Sunglasses, Presbyoptic Glasses, Lens, Frames, Glasses Package, Glasses Spare Parts, Optical Tools, Optics Manufacturing ...