custom step glass,tempered recessed glass

Immersing glass in a prepared acidic liquid (or coating an acid-containing paste) and etching the glass surface with strong acid, we can get matte surface finished,then cut the glass to get roughly step shape around the edge by water jet cutting in customized deepth and width,finally put the glass on CNC machine to trim and grind the step edge,then we can get the frosted recessed glass.