Material: stainless steel plate, low carbon steel plate, brass plate, aluminum plate, nickel plate and kinds of nonmetal plates.

Hole: round, length, square, scale hole, hexagonal hole, plum blossom and so on.

Application: Our production of punching-hole screening board is widely used in protecting from ambient noise where the highway, railway and subway come through the city. It can also be used in building wall power station .factory ceiling wall plate and other source of noise in order to sound absorption.

1. Can be readily formed

2. Easy installation

3. Can be painted or polished and anodizing.

4. The thickness of materials is wide range from 0.3mm-8mm.

5. Largest selection of hole size patterns and configurations

6. Uniform sound abatement,

7. Attractive appearance,

8. Light weight,

9. Durable,

10 Superior abrasion resistances

11. Accuracy of size

Hole	Hole	Pitch	Number of Hole	Open Area
In. No.	In MM	In MM	Per Sq.Inch	In %
3.00	0.50	1.09	627.02	19.09
3.25	0.55	1.25	476.00	17.50
3.50	0.60	1.25	471.00	20.90
3.75	0.70	1.35	408.00	24.39
4.00	0.80	1.39	385.57	30.05
4.50	0.90	1.39	385.57	38.04
5.00	1.00	1.67	267.12	32.53
5.25	1.10	1.67	267.12	39.36
5.50	1.20	2.00	186.24	32.66
5.75	1.30	2.25	147.15	30.29
6.00	1.40	2.50	119.19	28.45