... polarized lense. 3d paper products,3d paper products: 1)2x250g C1S cardboard,4C print; 2)0.297mm circular polarized lense. 3d paper products,3d paper products:1)2x250g ... education medical 3D equipment,3D theater,family 3D TV,3D computer game,3D book.IntroductionUnipolar Optics-Electrical Technology Limited,established in 2005,is the most professional ...