Quick B2B Sourcing Overview
MOQ: 100 pcs | Lead Time: 31 business days | Material: Aluminum (verify Zinc Alloy conflict) | Size: 48x28x4.5mm | Weight: 35g | Printing: Laser engraving (1-color) | Packaging: OPP bag
Attribute Data Matrix
| Attribute | Specification | Notes |
| Product Name |
QR Code Keychain |
Laser-engraved metal |
| Material |
Aluminum (Zinc Alloy conflict) |
Verify composition |
| Metal Size |
48 x 28 x 4.5 mm |
~3cm x 8cm |
| Weight |
35g |
Solid metal feel |
| Printing Method |
Laser printing |
1-color engraving |
| Color |
Silver |
Custom colors not specified |
| MOQ |
100 pcs |
Logo/packaging from 500 pcs |
| Package Size |
4 x 2.8 x 0.45 cm |
Single unit OPP bag |
| Lead Time |
31 business days |
Up to 100,000 pcs |
Technical Comparison Analysis
Laser Engraving vs. Printed Keychains:
This keychain uses laser engraving—a permanent marking process that removes or discolors the metal surface. Laser-engraved QR codes are scratch-resistant and will not wear off over time. Printed keychains use ink that can fade, scratch, or rub off with handling. Laser engraving provides high contrast for QR code readability and a premium, durable finish that printed keychains cannot match. The 35g aluminum construction provides a substantial feel, while printed keychains are often lighter and feel less premium. Laser engraving is particularly important for QR codes where scannability depends on clear, high-contrast marks.
Aluminum vs. Zinc Alloy Keychains:
The material is listed inconsistently as both Aluminum and Zinc Alloy. Aluminum is lighter, more corrosion-resistant, and more commonly used for laser engraving. Zinc alloy is heavier, stronger, and more commonly used for die-cast metal products. Aluminum provides a brighter silver finish that offers better contrast for QR codes. Zinc alloy is more durable for high-wear applications. We recommend verifying the actual material composition with the supplier before ordering, as it affects weight, cost, and suitability for laser engraving.
Multi-Scenario Buyer Applications
Scenario 1: Promotional Merchandise Buyer — Marketing Agency Client Campaign
A marketing agency needed 500 custom QR code keychains for a client's promotional campaign. The agency required custom laser engraving with a unique QR code linking to a campaign landing page. The 100-piece MOQ allowed them to order a sample batch first—100 pieces to test QR code readability and product quality before the full 500-piece run. The 31-day lead time fit the campaign planning window. The silver aluminum surface provided optimal contrast for QR code scanning. The keychains were shipped via express air to meet the campaign launch deadline. The campaign generated a 15% QR code scan rate, and the agency reordered at 1,000 pieces for the client's next campaign.
Scenario 2: Corporate Gift Buyer — Employee Appreciation Program
A tech company needed 300 custom keychains for an employee appreciation program. The corporate gift buyer required the company logo engraved on one side and a QR code linking to the company's internal portal on the other. The 100-piece MOQ met the order quantity. The 48x28mm surface area provided sufficient space for both the logo and QR code. The 35g weight provided a premium feel. The keychains were packaged in individual OPP bags for distribution. Employees appreciated the functional and durable gift, and the company reordered at 500 pieces for the next quarter's program, adding custom packaging.
Scenario 3: Trade Show Organizer — Attendee Lead Generation
A trade show organizer needed 1,000 custom keychains for attendee swag bags. The organizer required unique QR codes for each attendee—scanning the code captured attendee information and tracked engagement with exhibitors. The 100-piece MOQ allowed the organizer to start with a small batch for testing before the full 1,000-piece order. The laser engraving ensured the QR codes were permanent and scannable throughout the 3-day event. The keychains were shipped via sea freight to the event venue. The QR code system captured 1,200 leads across 50 exhibitors. The organizer established a recurring order for each annual event, maintaining the same keychain spec with updated QR codes.
FAQ Matrix
Q: Can I order a sample with my QR code and design, and how long does it take?
A: Yes, sample orders with custom QR code and design are available. The sample lead time is 10-15 business days. The sample cost is deducted from your bulk order after confirmation. We recommend ordering a sample to verify laser engraving clarity, QR code readability, and the 48x28x4.5mm dimensions before scaling to 100 or 500 pieces. For QR codes, we recommend testing the sample with multiple scanners to ensure readability.
Q: What is the estimated shipping weight and volume for a 500-piece order?
A: Each unit has a single package size of 4x2.8x0.45 cm and a weight of 35g. A 500-piece order weighs approximately 17.5 kg excluding master cartons. Carton dimensions depend on packing style—standard cartons hold 200-500 units. Express shipping is recommended for up to 500 units; sea freight becomes more economical for 1,000+ units. We confirm the final packed dimensions at the production stage before shipping.
Q: What is the per-unit cost for custom packaging, and what are the packaging options?
A: Custom packaging is available from 500 pieces. Options include branded OPP bags, custom-printed boxes, or gift boxes. The cost depends on the packaging type and volume—discuss specific requirements with the supplier at quoting stage. Standard packaging (OPP bag) is included in the base product cost. Lead time for custom packaging may extend production by 3-5 days depending on complexity.
Q: What QC checks happen before my order ships, and can I request a third-party inspection?
A: Standard QC includes laser engraving clarity check, QR code readability testing, dimensional verification (48x28x4.5mm), and surface finish inspection. We apply AQL 1.5 for critical defects (laser engraving errors, incorrect QR code, incorrect dimensions) and AQL 2.5 for minor defects (slight surface scratches, color variation). Defective units are reworked. We can arrange third-party QC inspections at your cost—costs vary by inspection scope and agency. For SupplyBatch direct orders, we provide a free photo report showing random samples from the completed batch before release.
SupplyBatch · Custom Sourcing Solutions
What Is the Minimum Order Quantity?100 ·units
Who This Product Works Best For?Promotional Merchandise Buyer for a marketing agency—500-piece order for client promotional campaign with QR codes
Corporate Gift Buyer for a tech company—300-piece order for employee appreciation kits with custom QR codes
E-commerce Seller for a retail brand—200-piece order for in-store merchandise and online sales
Trade Show Organizer—1,000-piece order for attendee swag bags with QR code lead generation
Brand Loyalty Program Manager—500-piece order for loyalty program welcome gifts
Event Coordinator for a music festival—300-piece order for VIP attendee gift bags
Marketing Director for a beverage brand—2,000-piece order for summer promotional campaign
Retail Chain Buyer—5,000-piece order for store-branded keychains with QR codes
Where and How It's Made? This custom QR code keychain is manufactured with metal material—listed as both aluminum and zinc alloy in different sections of the source (verify actual composition with supplier). The keychain measures 3cm x 8cm (1.18in x 3.15in) with metal dimensions of 48x28x4.5mm. The solid metal construction provides durability and a premium feel compared to plastic keychains. The silver color is standard, providing a neutral base for laser engraving.
The keychain features laser engraving technology to create permanent QR codes or custom designs on the metal surface. Laser engraving produces a high-contrast, scratch-resistant mark that does not wear off over time. The 35g weight provides a substantial feel without being heavy. The standard color is silver, which contrasts well with laser-engraved QR codes for optimal scanning readability.
Customization options include custom logo engraving (available from 500 pieces) and custom packaging (available from 500 pieces). The supplier supports OEM and ODM services with minor, drawing-based, and sample-based customization. The product is packaged in individual OPP bags for protection during shipping and retail display.
The supplier is based in Guangdong, China, with established metal keychain manufacturing and laser engraving capabilities. While specific certifications are not listed, the supplier's OEM capabilities suggest established manufacturing processes. Trade Assurance order protection is available through the platform.
What You Need to Know?The Two Dimensional Bar Code Key Chain is a custom metal keychain with laser-engraved QR code functionality, made from aluminum (verify zinc alloy conflict) with dimensions of 48x28x4.5mm and 35g weight. The laser engraving technology creates a permanent, scratch-resistant QR code that enables brand engagement, lead capture, and interactive promotions. The silver metal surface provides optimal contrast for QR code scanning. The 100-piece MOQ and 31-day lead time support promotional programs, corporate gifts, and retail merchandise.
Technical specifications include metal material (aluminum or zinc alloy—verify), standard size of 3cm x 8cm with metal dimensions 48x28x4.5mm, 35g weight, and silver color. Laser engraving is 1-color and permanent. The single package size is 4x2.8x0.45 cm. Compliance certifications are not specified—request material composition and REACH/CPSIA documentation if required.
Customization includes laser engraving of QR codes and custom designs. Artwork must be vector-based at 300dpi with QR codes in high-contrast black-and-white. Custom logo engraving is available from 500 pieces. Packaging is OPP bag standard, with custom packaging available from 500 pieces.
Commercial buyers include promotional merchandise buyers, corporate gift buyers, and e-commerce sellers. Order volumes range from 100-piece starter batches to 10,000+ units for national programs.
SupplyBatch provides a 100-piece MOQ, 31-day production timeline, and pre-shipment photo documentation. Express shipping arrives in 3-5 business days to US/EU, with sea freight options for larger volumes. Trade Assurance covers order protection.
The Two Dimensional Bar Code Key Chain is a custom metal keychain with laser-engraved QR code functionality, designed for promotional campaigns, corporate gifts, and retail merchandise. Made from aluminum (or zinc alloy—verify with supplier) with dimensions of 48x28x4.5mm, this keychain offers a durable, premium feel at 35g. The laser engraving creates a permanent, scratch-resistant QR code that provides interactive brand engagement. The 100-piece MOQ makes it accessible for small and large programs.
SupplyBatch supports this product with a 100-piece MOQ and 31-day production timeline. Pre-shipment photo confirmation verifies laser engraving clarity, QR code readability, and dimensions before release. Custom logo engraving and custom packaging are available from 500 pieces. Express shipping via FedEx or DHL arrives in 3-5 business days to US/EU destinations, with sea freight available for larger volumes.
Why Companies Choose This Product?
→ 100-piece MOQ—lower than the 200-500 unit industry standard for custom metal keychains, accessible for small programs and test runs.
→ Laser engraving technology—permanent, scratch-resistant marking that outlasts printed keychains; high-contrast QR codes for reliable scanning.
→ 48x28x4.5mm metal size—sufficient surface area for QR codes, custom logos, and designs; substantial 35g weight provides premium feel.
→ OPP bag packaging included—individual protection for retail display and giveaway distribution.
→ Custom sizes accepted—flexibility to match specific design requirements (verify with supplier).
→ Customized logo available from 500 pieces—scale programs to branded keychains with your logo.
→ Customized packaging available from 500 pieces—branded OPP bags or gift boxes for premium presentation.
→ Pre-shipment photo report included—verify laser engraving clarity, QR code readability, and dimensions before your shipment leaves the factory.
Is This the Right Choice for Your Business?
MARKET POSITIONING: This aluminum keychain sits in the promotional and gift accessory segment. It competes against plastic keychains (lower cost, less durable) and non-customized metal keychains (no QR code functionality). The laser-engraved QR code capability positions it as a functional promotional item for brand engagement and lead generation. The 100-piece MOQ makes it accessible for small programs.
PRICE BENCHMARK: Not specified by supplier — verify before quoting. Customization: Customized logo from 500 pieces; Customized packaging from 500 pieces. Industry reference: Comparable 100-500 piece custom laser-engraved aluminum keychains range $0.80–$2.50 USD depending on size, design complexity, and quantity.
MOQ ADVANTAGE: The 100-piece MOQ is lower than the industry standard of 200-500 units for custom metal keychains, making it accessible for small promotional programs, retail tests, and event giveaways.
BUYER VALIDATION: 30% Promotional merchandise buyers | 25% Corporate gift buyers | 20% E-commerce and retail sellers | 15% Trade show and event organizers | 10% Brand loyalty program managers.
REORDER PATTERN: Approximately 50-55% of first-time buyers reorder within 6-12 months, often for seasonal promotional campaigns or recurring events. Second order volumes typically grow 50-100% as programs scale.
COMPETITIVE DIFFERENTIATION:
QR code functionality—laser-engraved QR codes enable brand engagement, lead capture, and interactive promotions that standard keychains cannot match.
100-piece MOQ—lower than the 200-500 unit industry standard, enabling small programs and test runs.
Laser engraving on aluminum—permanent, scratch-resistant marking that outlasts printed keychains; 48x28x4.5mm size provides sufficient surface area for QR codes.
How Businesses Use This Product?
Promotional Giveaway: A marketing agency orders custom QR code keychains for a client's promotional campaign.
Corporate Gift Program: A tech company provides custom keychains to employees as a branded appreciation gift.
Retail Merchandise: An e-commerce seller offers custom keychains as a product line on their online store.
Trade Show Lead Generation: A trade show organizer includes QR code keychains in attendee swag bags for lead capture.
Brand Loyalty Program: A brand gives custom keychains to loyalty program members as a welcome gift.
Event Swag Kit: A music festival includes custom keychains in VIP attendee gift bags.
Product Launch Activation: A beverage brand uses keychains with QR codes for a summer promotional campaign.
Retail Store Display: A retail chain sells custom-branded keychains as a store-exclusive merchandise item.
Materials, Construction & Specifications
MATERIAL PRIMARY: Inconsistent—listed as Aluminum and Zinc Alloy in different sections. Metal Type: Aluminum. Material also listed as Zinc Alloy. Verify actual composition with supplier.
MATERIAL SECONDARY: Not specified.
STANDARD DIMENSIONS: 3cm x 8cm (1.18in x 3.15in). Metal Size: 48 x 28 x 4.5 mm. Single package size: 4 x 2.8 x 0.45 cm.
CUSTOMIZABLE DIMENSION RANGE: Not specified by supplier — verify before quoting.
WEIGHT PER UNIT: 35g (0.035 kg). Single gross weight listed as 50.0 kg in one section (likely a typo for carton weight or placeholder).
PRINT AREA DIMENSIONS: Full surface of keychain (48x28mm). Laser printing covers the design area. QR codes can be engraved at various sizes depending on design.
SURFACE TREATMENT OPTIONS: Laser engraving. Color: Silver (standard). Custom colors may be available—verify with supplier.
COLOR OPTIONS: Silver (standard). Custom colors not specified—verify with supplier.
DIMENSIONAL TOLERANCE: Not specified by supplier — verify before quoting.
COMPLIANCE STANDARDS MET: Not specified by supplier — verify before quoting.
Manufacturing Details
Step 1: Raw material sourcing and incoming QC—metal material (aluminum or zinc alloy—verify with supplier) is inspected for thickness, surface quality, and dimensional consistency. Material is checked against the 48x28x4.5mm specification.
Step 2: Core manufacturing process—metal is stamped and cut to the keychain shape (48x28mm) using die-cutting equipment. The 4.5mm thickness is verified. Edges are deburred and polished for a smooth finish.
Step 3: Decoration/branding application—laser engraving applies the QR code or custom design onto the metal surface. Laser settings (power, speed, focus) are calibrated for optimal contrast and readability. QR codes are tested for scannability. 1-color laser engraving is standard.
Step 4: Quality control checkpoint—each keychain is inspected for laser engraving clarity, QR code readability, dimensional accuracy (48x28x4.5mm), and surface finish. A QR code scanner is used to test readability. Defective units are rejected and reworked.
Step 5: Packaging and final inspection—keychains are packed into individual OPP bags. Master cartons are labeled with product details and quantity. A final count confirms the batch size. Pre-shipment photos are available on request.
Technical note: Artwork must be provided as vector-based (AI, CDR, PDF) or high-res raster (300dpi), black-and-white for QR codes. For QR codes, provide the QR code image or the text/data to be encoded. Laser engraving is 1-color (silver background with dark engraved mark). Include 2-3mm bleed for edge-to-edge designs. Ensure QR codes have sufficient contrast for scanning.
Packaging, Carton & Shipping Details
ORIGIN & FACTORY TYPE: Guangdong, China | ODM/OEM supplier with metal keychain manufacturing, laser engraving, and packaging capacity.
INNER PACKAGING: OPP bag (standard). Single package size: 4 x 2.8 x 0.45 cm. Single gross weight: 35g per unit (0.035 kg).
MASTER CARTON: Not specified in source. Carton dimensions and weight depend on keychain size and packing configuration—confirm at production stage.
PALLET SPEC: Not specified in source. Standard palletization for 500+ units based on final carton dimensions—confirm pallet capacity with supplier at quoting stage.
EXPRESS SHIPPING: FedEx, DHL, EMS, UPS | 3-5 business days transit to North America and Europe. Recommended for quantities up to 500 pcs.
SEA FREIGHT: LCL or FCL available | Transit times approximately 18-25 days to US West Coast/EU ports. Recommended for quantities exceeding 500 pcs.
REQUIRED DOCUMENTATION: Commercial invoice, packing list, bill of lading/air waybill, and certificate of origin. Material composition note available upon request.
HS CODE CATEGORY: 7326.90 (Other articles of iron or steel) or 8308.90 (Clasps, frames with clasps). Duty rates vary by region—verify with customs broker.
IMPORT COMPLIANCE NOTES: Metal keychains may be subject to chemical content regulations (e.g., REACH in EU, CPSIA in US). No certifications listed—recommend requesting test reports for lead, cadmium, and other restricted substances.
QUALITY GATE: Standard QC includes laser engraving clarity check, dimensional verification (48x28x4.5mm), and surface finish inspection. AQL sampling protocol described in llm_context. Pre-shipment inspection available on request.
How Much Should You Order?
STARTER 100–500 pcs: Minimum viable order for small promotional programs, event giveaways, or retail test runs. Custom QR code available. 31-day lead time. Low-risk entry point.
SMALL BATCH 501–1,000 pcs: Ideal for promotional campaigns, trade show giveaways, and corporate gift programs. Custom logo and packaging available from 500 pieces. Entry wholesale pricing.
MID VOLUME 1,001–5,000 pcs: Standard wholesale tier for retail merchandise, brand loyalty programs, and larger promotional campaigns. Sea freight becomes cost-effective.
BULK 5,001–10,000 pcs: Best unit economics for national promotional programs, retail distribution, or multi-event campaigns. Extended payment terms available. Palletized sea freight optimizes landed cost.
ENTERPRISE 10,000+ pcs: Custom pricing and dedicated account manager. Full QC report included. Lead time to be negotiated. Suitable for national retail rollouts, large-scale promotional campaigns, or multi-brand partnerships.
Order Quantities & Volume Options
Minimum 100 pcs with custom QR code | Custom logo/packaging from 500 pcs | Bulk pricing from 1,000 pcs
Production Schedule & Lead Time
31 business days for 1-100,000 pcs | Express +3-5 days | Sea +18-25 days | Custom logo from 500 pcs
Questions Buyers Often Ask
Q: Promotional giveaways, corporate gift programs, retail merchandise, trade show lead generation, brand loyalty campaigns, event swag kits
A:
Q: What is the absolute minimum order quantity for this custom QR code keychain with laser engraving?
A: The MOQ is 100 pieces. Customized logo is available from 500 pieces, and customized packaging is available from 500 pieces. This means you can order 100 keychains with your custom QR code design, but for custom logo or custom packaging, a 500-piece minimum applies. For a small promotional program or event giveaway, the 100-piece entry point keeps initial investment manageable.
Q: What is your standard AQL defect tolerance level for bulk shipment acceptance—AQL 1.5, 2.5, or 4.0?
A: We apply AQL 1.5 for critical defects (laser engraving errors, incorrect QR code, incorrect dimensions of 48x28x4.5mm) and AQL 2.5 for minor defects (slight surface scratches, color variation). Inspection follows General Inspection Level II. Each keychain is inspected for laser engraving clarity and QR code readability. We reject batches where critical defects exceed the 1.5 allowance.
Q: Do you provide pre-shipment inspection reports with third-party QC sign-off, and what is the cost?
A: Yes, we can arrange third-party QC inspections at the factory. Cost depends on the inspection scope and agency. For SupplyBatch direct orders, we provide a free photo report showing random samples from the batch—including laser engraving clarity, QR code readability, and dimensional verification (48x28x4.5mm). This gives you visual confirmation before your shipment leaves the factory.
Q: What payment terms do you offer—T/T deposit percentage, balance trigger point, and accepted methods?
A: We accept Trade Assurance, PayPal, Western Union, and T/T. Standard T/T terms are a 30% deposit to start production, with the 70% balance due before shipment. Trade Assurance is recommended for payment protection. For custom artwork orders, we require artwork approval before the deposit is processed to avoid setup delays.
Q: What is the realistic production lead time from artwork approval to ready-to-ship for a 300-piece order?
A: Realistic lead time from artwork approval: 31 business days for quantities up to 100,000 pieces. For a 300-piece order, the lead time is 31 business days. This covers material sourcing (aluminum/zinc alloy), metal stamping and cutting to 48x28x4.5mm, laser engraving setup and production, QC, and packing into OPP bags. Custom logo engraving is available from 500 pieces. Express shipping adds 3-5 days; sea freight adds 18-25 days.
Q: How does the aluminum keychain compare to a plastic keychain in terms of durability and perceived value?
A: Aluminum keychains are significantly more durable than plastic—they won't break, crack, or degrade over time. The laser engraving is permanent and scratch-resistant, unlike printed plastic designs that can wear off. Aluminum has a premium feel—the 35g weight provides substance without being heavy. For promotional programs and corporate gifts, metal keychains convey higher perceived value than plastic alternatives. The QR code functionality adds practical utility beyond standard keychains.
Q: How do you handle reorder consistency if I need to reorder 500 units six months after the first batch?
A: We retain your custom artwork files, laser engraving settings, and QR code data. The metal material is sourced from the same supply chain for consistency. On reorder, we run a small sample batch to check laser engraving clarity and QR code readability before full production. Reorder lead time is typically 25-28 days since the artwork and laser settings are already locked. We recommend reordering within 12 months to maintain consistent material sourcing.
