| “SOUND”of the Hong Kong Luen
Wah Machine
Welding & Iron Works Company Limited is the largest piercing
manufacturers in China for perforated sheet, wood and PC-board
products. With the aim of providing our customers fast, economic and high
quantity products, our products are user-friendly in their installation and specifications of
diversification. Our company’s products are widely used in Hong
Kong, Macau, Southeast Asia, the world’s major construction
projects. Our experienced staff would also provide technical advice
and assistance to our customer
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0.7mm @ 10mm
0.4% Open Area
0.4mm Thick |
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4mm @ 7mm
Hole N°73/4
30% Open Area |
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10mm @ 15mm
44% Open Area |
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1.2mm @ 2mm
33% Open Area |
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5mm @ 8mm
Acoustic
35% Open Area |
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12.7mm @ 17.3mm
Hole N°17
49% Open Area |
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1.6mm @ 4mm
15% Open Area |
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15 x 3mm
@ 3mm
5% Open Area |
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2mm @ 4.5mm
Hole N°5
18% Open Area |
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2.5mm @ 5mm
Acoustic
23% Open Area |
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12mm @ 17mm
Hole N°10
46% Open Area |
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6.3mm @ 8.9mm
Hole N°12.3/4
46% Open Area |
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Specifications
We perforate the following materials in coil or sheet with the thicknesses
from 0.4mm to 6.0mm. And the material used could be cold rolled and hot rolled mild
steel, Galvanized
steel (Both hot dip & electro), Pre-painted steel, Stainless
steel, Aluminum, Brass Copper & Plastic.
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