1)Material:alloy. 2)OEM is accept 3)Small order and mixed order is welcome 4)Spring bridge. FEATURE1)High security and it's safe to skin.2)Spring bridge uneasy to deformation3)high quality with low price.4)various kinds of colors and size are available.5)we could offer all kinds of plastic glasses frame,Alumimun glasses. frame,Titanium,metal glasses frame,Wooden glasses frame,Sunglasses with ...