... Government Zhejiang Optometric & Optical AssociationOrganizer: Wenzhou Glasses Chamber of Commerce Zhejiang Donnor Exhibition Co., ... : Sunglasses and sports spectacles, presbyopia glasses, lens & optical blanks, glasses spare parts, tools, manufacturing equipments, ... The exhibits include Sunglasses, Presbyoptic Glasses, Lens, Frames, Glasses Package, Glasses Spare Parts, Optical Tools, Optics ...