... : Stamping, leveling, cutting, bending, reeling, welding, shaping and surface treatment. PERFORATED METAL MESH Materials: Hot-rolled and coilrolled carbon steel sheets ... designs of hole: round hole, oval hole, oblong hole, square hole, triangle hole, diamond hole, hexagonal hole, cross hole, cinquefoil hole, leave hole, scale hole, hole like shark's mouth and other perforated.It can ...