Lidu Optics is a specialized manufacturer in designing and producing a wide range of optical frames. After many years of development in this line, we have become a sizable company. Now our products include 100% titanium frames, aluminum alloy frames, memory titanium frames, full-rim frames, semi-rim frames, rimless frames, sunglasses, reading glasses and children glasses. We can also produce items of different shapes and sizes according the requirements of our customers. With advanced technology and strict Q.C., our products are far exported to Europe, America, Middle-east, etc.