... Municipal People’s Government Zhejiang Optometric & Optical AssociationOrganizer: Wenzhou Glasses Chamber of Commerce ... Sunglasses and sports spectacles, presbyopia glasses, lens & optical blanks, glasses spare parts, tools, manufacturing equipments, ... , Optical Tools, Optics Manufacturing Equipments, Optical Instruments, Optical Raw Materials, Contact Lens and Care, Optical Plating, Optical Chain ...