1.aluminum 2.square and Cylinder 3.OEM we can produce every kinds of easy hardware . we main professionally produce various of hinges, (door/window/furniture) bolts, ball catch and any other easy hardware metal parts.the metal table leg ,we can produce two kinds of legs,square : 700x100x100 bottom:180x180 1100x100x100Cylinder : 700x Φ 110 bottom: 180x180 1100x Φ 110 metal aluminium desk leg