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Help CenterEtched Metal Dustproof Grille for Bluetooth Speaker With 2-Year Warranty, Mill Test Report Available
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As a leading manufacturer established in 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in high-precision etched metal components. Our Etched Metal Dustproof Grille for Bluetooth Speaker is designed to provide superior protection against dust, debris, and physical damage while maintaining excellent acoustic transparency. With a 2-year warranty and mill test report available for every batch, we ensure reliability and traceability for your audio product applications.
This grille is produced through advanced chemical etching technology, allowing for intricate patterns, precise hole sizes, and burr-free edges. It is ideal for Bluetooth speakers, portable audio devices, and other electronic enclosures that require both aesthetic appeal and functional dustproof performance. Our factory covers a wide range of export markets including North America, Europe, Asia, and Oceania, reflecting our global quality standards.
Key Features & Technical Specifications
- Material Options: Stainless steel (304, 316), aluminum, brass, copper – customizable based on your requirements.
- Precision Etching: Tolerance ±0.05mm, burr-free edges, smooth surface finish.
- Dustproof Efficiency: Fine mesh openings (down to 0.3mm) effectively block dust particles while allowing airflow.
- Acoustic Transparency: Open area ratio up to 70% ensures minimal impact on sound quality.
- Custom Design: Any shape, size, pattern, or logo can be etched; no tooling cost for simple designs.
- Durability: Corrosion-resistant, scratch-resistant, and suitable for long-term outdoor or indoor use.
- Warranty: 2-year warranty against manufacturing defects.
- Quality Assurance: Mill test report accompanies each shipment, verifying material composition and mechanical properties.
| Parameter | Value |
| Material Thickness | 0.3 – 2.0 mm |
| Minimum Hole Size | 0.3 mm |
| Open Area Ratio | 30% – 70% (customizable) |
| Max Part Size | 600 mm x 600 mm |
| Surface Finish | Etched, brushed, polished, anodized, powder coated (optional) |
| Packaging | Individually wrapped, foam protection, export carton |
Advantages & Client Benefits
- Cost-Effective: Chemical etching eliminates tooling costs for prototypes and small to medium batches, reducing your initial investment.
- Fast Lead Times: Typical production time 7–15 days after drawing approval; rush orders available upon request.
- Consistent Quality: Our ISO-controlled production process (not certified but strictly followed) ensures every part meets your drawings.
- Environmental Compliance: All materials are RoHS compliant; etching process uses eco-friendly chemicals.
- Global Logistics: We ship from major ports (Tianjin, Qingdao, Shanghai, Foshan) and offer flexible delivery options (FOB, CIF, EXW).
- After-Sales Support: A dedicated team handles any technical inquiries; warranty claims processed within 48 hours.
With over 20 years of manufacturing experience and an annual export value of US$5-10 million, Anping County Boli Hardware Wiremesh Products Factory has supplied etched metal grilles to hundreds of audio brand manufacturers worldwide. Our commitment to quality is backed by the mill test report, which provides full traceability of material properties. We invite you to request a sample or send your design for a free quotation. Our engineering team will assist you in optimizing the pattern for both dustproof performance and acoustic transparency.
Don't compromise on the protection of your Bluetooth speaker. Choose our etched metal dustproof grille for durable, precise, and reliable performance. Contact us today for a quote or technical consultation.
Frequently Asked Questions (FAQ)
Q1: Can I customize the shape and pattern of the grille?
A: Absolutely. Our etching process allows any custom shape, hole pattern, or logo. Just send your CAD drawing or sketch, and we will provide a free design review.
Q2: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 500 pieces. For custom designs, MOQ is 1000 pieces. Small trial orders (100-500 pieces) are available upon request with a small setup fee.
Q3: How does the grille affect sound quality?
A: The open area ratio can be customized to balance dust protection and acoustic transparency. Typically, 50-60% open area yields minimal sound attenuation (less than 2dB). We can test your design if needed.
Q4: What materials are available for the grille?
A: We offer stainless steel (304, 316), aluminum, brass, copper, and nickel silver. Each material has different corrosion resistance and strength. Contact us for recommendations.
Q5: Is the mill test report provided for free?
A: Yes, the mill test report is included with every shipment at no extra cost. It certifies the chemical composition and mechanical properties of the metal.
Q6: How long does the 2-year warranty cover?
A: The warranty covers defects in material and workmanship under normal use. It does not cover damage from misuse, modification, or abrasive cleaning. We will replace or refund defective parts within 2 years of purchase.
Q7: Can you provide samples before bulk production?
A: Yes, we offer free samples (customer pays shipping) for evaluation. Production samples can be made within 3-5 working days after drawing approval.
Q8: What are the shipping ports and delivery time?
A: We ship from Tianjin, Qingdao, Shanghai, or Foshan. Delivery time is 7-15 days for standard orders, 20-30 days for large volume. Express shipping (DHL, FedEx, UPS) is also available for small quantities.
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