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Product Description Technical information Engineering difficulty

Perforated sheet metal mesh used in audio.

1. Material:
SUS / PVC
2. Surface treatment:
None
4. Process:
High speed drilling

Serried holes with precise diameters.

Stainless steel perforated metal sheet used in kettle

1. Material:
SUS
2. Surface treatment:
Electropolishing
4. Process:
Stamping --- Etching --- Deep drawing --- Spot welding --- Electropolishing

1. Food safe material and surface treatment;
2. Serried holes with precise diameters;
3. Spot welding mark invisible.

Aluminum perforated speaker grill used in cars.

1. Material:
Aluminum
2. Surface treatment:
Black anodizing
4. Process:
Drilling Holes --- Stamping and cutting overall shape --- Deep drawn --- Anodizing

1. Nice surface without burrs or scratch;
2. Serried holes, diameter between each array is different.

Perforated speaker grill used in printer

1. Material:
Aluminum
2. Surface treatment:
Clear anodizing
4. Process:
Drilling Holes --- Anodizing

1. Serried holes, diameter between each array is different;
2. No scratch, strict flatness required

Speaker cover perforated used in audio

1. Material:
Aluminum
2. Surface treatment:
Clear anodizing
4. Process:
Drilling Holes --- Stamping and cutting overall shape --- Deep drawn --- Anodizing

Serried holes, diameter between each array is different

Perforated metal mesh sheet used in sounders.

1. Material:
Aluminum
2. Surface treatment:
Degreasing
4. Process:
Drilling Holes --- Stamping and cutting overall shape.

1. Edge between each hole is close;
2. Strict flatness required with so many holes.

Mesh sheet metal parts used in electronic equipment.

1. Material:
Aluminum
2. Surface treatment:
Degreasing
4. Process:
Stamping --- Punching holes-- Bending --- Degreasing

After punched with ellipse holes, there is no burrs at all.
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