The industry is mainly divided into three parts: tree roots, tree trunks, and leaves 1. Ultra-ultra-precision machine tools 1-basic industry (tree roots: special aircraft restrictions and competition) national research centers 2. mold motherboards generated by machine tools (special aircraft), (tree parts: available for sale and cultivation market) 3. Produced by machine tool production motherboards (end faces and rollers): energy industry materials, optical films, lenses, rare earth originals, home decoration materials, etc. (Leaf Parts and Special Applications)