Perforated mesh is holes with different shapes on the same material to suit different needs. Can be used to cross the urban areas of highways, railways, subways and other traffic in the municipal facilities of environmental noise control barriers, building walls, generator rooms, factory buildings, and other noise sources of sound and noise reduction with sound-absorbing panels.

Perforated mesh types are divided into: pattern punching nets, forming punching nets, special thick punching nets, extra-thin punching nets, micro-hole punching nets, and wire-cut punching nets. Laser punching net and so on.
Punching mesh main specifications are rectangular holes, square holes, diamond holes, round holes, long holes, hexagonal holes, cross holes, triangular holes, long waist holes, plum holes, scale holes, pattern holes, character network, human character Hole, pentagonal hole, irregular hole, drum hole, shaped hole, blind hole, etc.