... metal mesh, forming perforated metal mesh, extra thick perforated metal mesh, the extra thin perforated metal mesh, microporous punching, line cut perforated metal mesh. Laser perforated metal mesh. Perforated metal ... -absorbing material, beautifully decorated plate for building stairs, balconies, environmental tables ... the 6061 aluminum bars,galvanized slotted bars outside,hollow aluminum tubes/plates/ ...