| Customization: | Available |
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| After-sales Service: | 3D Modeling, 3D Sample Models, Instruction Book |
| Warranty: | 1 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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We introduce advanced computer digital controlling equipment, the products can be made in form in one process and have high precision, small error and high quality.
The kinds of hole: long, square, round hexagon, scale stretch-special shaped hole.
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
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