Material: stainless steel board ,low carbon steel board,galvanized ,PVC, aluminum-magnesium alloy plate.
Pass: rectangular hole, square hole, diamond hole, round hole, hexagonal hole, cross hole, triangle hole, a long hole, a long waist-hole, plum blossom hole, scale hole, hole pattern, five-pointed star-shaped holes, irregular holes , from the dark hole and so on.
Application: environmental noise control barriers, architectural and mechanical equipment, protective cover.