Wholesale procurement demands precision, not promises. Custom brass tags are small yet essential components that safeguard traceability, compliance, and maintenance efficiency across global supply chains. For wholesale buyers, every tag represents accountability — it connects your brand, engineering standard, and after-sales reliability.
This article, written by the YISHANG Engineering Team (26 years of sheet metal manufacturing experience, ISO 9001 & RoHS certified), helps you specify, evaluate, and source engraved brass nameplates with confidence. You’ll learn how material, process, and inspection choices affect cost, performance, and long-term credibility — all optimized for industrial buyers searching for OEM brass tag supplier China or wholesale engraved brass ID plates.
Why Brass Remains a Smart Material Choice for Identification
Brass, a copper–zinc alloy, combines precision machinability with timeless durability. In harsh industrial conditions — from NEMA 4X electrical enclosures to IP68 telecom boxes — brass offers excellent corrosion resistance and legibility. Its warm tone enhances contrast for engraved text and logos, outperforming aluminum’s reflective finish and stainless steel’s rigidity.
Material Comparison Table
| Material | Durability | Engravability | Corrosion Resistance | Typical Use |
|---|---|---|---|---|
| Brass (C2680/C3604) | High | Excellent | Good | Electrical ID plates, control panels |
| Aluminum (6061/5052) | Medium | Very Good | Fair | Lightweight signage, indoor labels |
| Stainless Steel (304/316) | Very High | Moderate | Excellent | Marine, chemical, medical |
Why Buyers Prefer Brass
For B2B projects that balance cost and appearance, brass hits the ideal midpoint. It allows deep engraving (0.2–0.3 mm) for permanent marking, can be brushed or polished, and delivers longer life cycles at predictable pricing. Wholesale clients appreciate that brass is 100% recyclable and compatible with OEM laser engraving and CNC routing, ensuring sustainability alongside reliability.
Customization That Serves Function and Brand
A custom brass tag should be both functional and brand-aligned. YISHANG’s engineering team translates technical drawings into production-ready geometry while maintaining cost efficiency and surface quality.
Engineering Accuracy Buyers Can Validate
Specifications are measurable: flatness ≤ 0.3 mm/100 mm, engraving depth 0.2–0.3 mm, hole pitch tolerance ±0.1 mm, and Ra ≤ 1.6 µm surface roughness. These parameters ensure your brass tags mount securely to aluminum, carbon steel, or stainless steel enclosures without vibration loosening.
Buyers can request CNC test pieces for dimensional verification before bulk production — reducing rework and enhancing quote comparability among multiple suppliers.
Branding That Builds Recognition
Your brass tag is often the only visible mark of origin on industrial equipment. Through laser engraving, chemical etching, or deep mechanical cutting, YISHANG ensures crisp reproduction of serial codes, QR patterns, and brand logos. Surface finishes — brushed, polished, or antiqued — can match your equipment’s tone. For NEMA 4X junction boxes or outdoor solar battery enclosures, polished brass elevates visual value while signaling premium build quality.

Procurement Priorities — What Wholesale Buyers Actually Optimize
Experienced procurement managers evaluate suppliers on consistency, not charisma. Below are the levers you control when sourcing custom brass ID plates at scale.
MOQ, Pricing Logic, and Cost Transparency
MOQ varies by process — laser marking supports low-volume customization (100–300 pcs), while stamping and etching require higher minimums (500+ pcs) to amortize tooling. Request price breaks at 500 / 1,000 / 5,000 pcs to model your forecast cost. Ask for visibility into material cost share, engraving time, and finishing rate to eliminate hidden charges.
Lead Time and Scheduling Stability
- Samples: 5–7 working days (engraving depth, color tone approval)
- Mass Production: 10–20 days, depending on finish and volume
- Express Production: Parallel engraving lines enable split batches for urgent orders
A qualified supplier maintains at least two engraving systems per production line, ensuring continuity even during maintenance periods. Buyers should verify production capacity and backup power arrangements for large export orders.
Packaging, Compliance, and Documentation
Tags are individually interleaved or shrink-wrapped to avoid scratches. Export cartons display PO, HS code, and part number. Documents include material certificate, packing list, RoHS declaration, and inspection report — all digitalized for your ERP upload.
Quality You Can Verify — Proof Over Promises
At YISHANG, quality control is standardized under ISO 9001 with batch-level documentation. Buyers receive not claims, but evidence.
Multi-Stage Inspection Plan
| Stage | Checkpoint | Method | Tolerance / Standard |
|---|---|---|---|
| Incoming | Brass grade (C2680/C3604) | Supplier certificate + micrometer | ±0.03 mm |
| In-Process | Hole pitch / engraving depth | CMM + depth gauge | ±0.1 mm / ≥0.2 mm |
| Surface | Roughness / color tone | Surface test + visual | Ra ≤1.6 µm |
| Final | Packing integrity / count | Sampling (AQL 1.0) | No surface damage |
Each shipment includes a digital inspection photo set and traceable engraving depth log. These records align with RoHS and UL audit trails for industrial components.
Why It Matters
Reliable QC eliminates disputes at customs inspection and minimizes post-installation returns. Wholesale clients use YISHANG’s inspection sheets as proof of due diligence when dealing with end customers or distributors.
Manufacturing Precision — Technology Behind the Finish
Precision manufacturing defines long-term savings. YISHANG integrates fiber-laser cutting, CNC engraving, and chemical etching with real-time SPC (Statistical Process Control). Deburring, wire drawing, and polishing produce smooth surfaces for engraving or color-fill. Consistency at every stage ensures repeatable batches for global clients.
Process Overview
- Cutting & Bending: Laser or stamping for accurate outlines
- Engraving: Depth-controlled laser for serialization and logo clarity
- Polishing & Finishing: Ra 0.8–1.6 µm, optional protective coating
- Inspection & Packaging: AQL 1.0 visual + barcode tracking
Brass tag blanks can be cross-applied to electrical enclosures, control cabinets, or outdoor telecom housings. Buyers benefit from intercompatible designs, unified mounting holes, and simplified inventory. Integrating identification plates into your BOM reduces part variety and speeds up assembly.
Field Performance — Proven Durability in Use
Every tag’s value is proven in the field. Deep engraving (≥0.2 mm) ensures characters remain legible through years of cleaning, vibration, and weathering. In outdoor telecom enclosures, traffic control boxes, or EV charger cabinets, brass tags resist UV fading and maintain high scanning contrast for QR or DataMatrix codes.
Service Life Guidelines
| Factor | Recommended Parameter | Rationale |
|---|---|---|
| Engraving Depth | 0.2–0.3 mm | Maintains legibility after 5+ years of exposure |
| Finish | Brushed + clear coat | Slows tarnish, reduces glare |
| Mounting | Rivet / screw / high-bond adhesive | Prevents detachment under vibration |
| Code Format | QR + human-readable | Dual verification for technicians |
By standardizing tag size and code layout across product families, procurement teams cut labor hours and reduce misreads during audits. The payoff is practical efficiency, not theoretical compliance.

Future-Ready Tags — Sustainability and Digital Traceability
Modern buyers expect data and durability. Custom brass tags now support QR or NFC chips linking to maintenance databases or 3D design files. This integration aligns with Industry 4.0 asset management and ESG reporting.
Brass is fully recyclable, with minimal loss in reprocessing. A single long-lasting tag prevents frequent replacements — reducing waste and packaging materials. Buyers pursuing sustainability credits can document this within ISO 14001 frameworks.
For IP-rated systems (IP65–IP68, NEMA 4X–13), brass remains stable across temperature extremes. YISHANG provides 3D design files, inspection reports, and digital certificates with every shipment, allowing end clients to verify compliance instantly.
RFQ Guide — Copy and Paste for a Clean Quote
When sending inquiries, include the following for a faster and clearer quotation.
Item: Custom Brass Tags / Engraved ID Plates
Material: Brass C2680 or C3604
Thickness: 1.0–1.5 mm
Finish: Brushed / Polished / Antiqued
Engraving: Laser / Deep-Cut / Etched (≥0.2 mm depth)
Mounting: Rivet / Adhesive / Stud / Screw
Dimensions: With tolerances ±0.1 mm
Serialization: QR or DataMatrix
Quantity: 500–10,000 pcs
Lead Time: Sample 7 days, Production 10–20 days
Certifications: ISO 9001, RoHS, UL
Documents: Material Cert, Inspection Photos, CO, Packing List
This structure minimizes back-and-forth communication and ensures suppliers return comparable offers.
Why Global Buyers Choose YISHANG
- 26 years of OEM & ODM sheet metal manufacturing experience
- Exporting to 50+ countries with consistent QA records
- ISO 9001 & RoHS certified facility, AQL 1.0 final inspection standard
- Flexible MOQ, stable lead times, full inspection documentation
- Dedicated engineering support within 24 hours
In industrial supply chains, reliability starts with details. Brass tags unify identification, traceability, and brand communication in one permanent element. With defined specs, transparent inspection, and stable production, buyers can reduce downtime, strengthen compliance, and build consistent product identity.
Choose a supplier that speaks your language — technical, measurable, and responsible. YISHANG helps you transform metal into information that lasts.