It is a great way to further improve our products and repair. Our mission is always to create innovative products to prospects with a superior expertise for Glasses Transition Lenses Cost, Transition And Photochromic Lenses, Lumix 12.5 Mm 3d Lens, Single Vision Transition Lenses,Focus Of A Concave Lens. Our customers mainly distributed in the North America, Africa and Eastern Europe. we will source top quality goods using the really aggressive selling price. The product will supply to all over the world, such as Europe, America, Australia,Tanzania, panama,Bahamas, Zurich.Why we can do these? Because: A, We are honest and reliable. Our products have high quality, attractive price, sufficient supply capacity and perfect service. B, Our geographical position has a big advantage . C, Various types: Welcome your inquiry, It will be highly appreciated.