China produces about 70% eyewears for the world. The manufacturers improve their quality and efficiency by machinery innovation. Their technology comes from practise.
Currently In China all acetate eyewear manufacturers are making acetate eyewear with automatic machinery, Such as automatic CNC machine for front frame, automatic acetate temple carving machine, fully automatic demo lens cutter, fully automatic nose bridge bending machine. and the CNC machine tools for eyewear are devoloped a lot. As usual 8cutters can process any models of eyewear.
Let's see the chart about the eyewear processing in China.