... Exhibition Co., LtdScale: over 500 exhibitorsExhibits: Sunglasses and sports spectacles, presbyopia glasses, lens & optical blanks, glasses spare ... spectacle frames, etc.web: www.opticsfair.comWenzhou Int'l Optics Fair, China ( WOF for short ), the annual ... Frames, Glasses Package, Glasses Spare Parts, Optical Tools, Optics Manufacturing Equipments, Optical Instruments, Optical Raw Materials, Contact ...