Custom Zinc Alloy Keychain with Rainbow Plating | SGS Certified, Offset/Silk Screen Print, Free Sample

Custom Zinc Alloy Keychain with Rainbow Plating | SGS Certified, Offset/Silk Screen Print, Free Sample

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  • MOQ: 50 pcs
  • Lead time: Sample 5-7 days | Production 12-18 days (100-500pcs)
  • Material: Zinc alloy / brass + optional PU leather
  • Thickness: 1.5mm, 1.8mm, 2.0mm (max 8mm)
  • Plating: Bronze, gold, copper, silver, nickel, rainbow, double
  • Print methods: Offset, silk screen, soft/hard enamel, die struck
  • HS code: 8308.90.0000 (US duty 2.5%)

Attribute Data Matrix

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Attribute Specification Notes
Product type Metal keychain Car creative design
Material Zinc alloy / brass PU leather optional
Plating Rainbow, gold, silver, copper, nickel, bronze, double
Thickness 1.5 / 1.8 / 2.0 mm (max 8mm) Custom
Printing methods Offset, silk screen, soft/hard enamel, die struck, stained glass Full color CMYK
Shape 2D, 3D, double side, irregular custom
Back side Smooth, discharge, woven, special pattern
Attachment Keyring, rubber/butterfly clutches, magnet, tie tack
Single package size 5 x 5 x 2 cm
Single gross weight 0.025 kg
Certification SGS certified supplier
Place of origin Jiangsu, China

Technical Comparison Analysis

Zinc Alloy vs. Brass vs. Stainless Steel Keychains
Zinc alloy: Cost lower, allows complex 2D/3D shapes, plating adheres well, weight moderate. Brass: Higher cost, heavier, premium feel, better corrosion resistance. Stainless steel: Highest durability, harder to cast complex shapes, higher cost. For promotional keychains with detailed logos and rainbow plating, zinc alloy is the industry standard.

Soft Enamel vs. Hard Enamel vs. Offset Printing
Soft enamel: Recessed colored epoxy, raised metal ridges, textured feel, lower cost. Hard enamel: Polished smooth surface, premium look, higher cost, more durable. Offset printing: Flat full-color CMYK, no texture, best for photographic logos. For car dealership logos with 2-4 solid colors, soft enamel is cost-effective. For full-color gradients, offset printing is superior.

Multi-Scenario Buyer Applications

Car Dealership Merchandise Buyer – Customer Giveaway Keychains
A regional car dealership wanted 500 custom keychains to give to new car buyers. They chose zinc alloy with rainbow plating and the dealership logo in soft enamel. The keychain shape was a custom car silhouette (2D). SGS certification gave confidence in quality. Free sample was requested and approved in 6 days. Production took 14 days for 500 pieces. Each keychain was OPP bagged. Customers loved the premium feel, and the dealership saw increased brand recall. Reorder: 800 pieces for the next model year.

Corporate Gift Buyer – New Year Client Appreciation
A financial services firm ordered 200 keychains as New Year gifts for top clients. They chose gold plating with offset printed logo and the year "2024". The keychain included a small PU leather accent strip (from title). MOQ flexible allowed the 200-piece order. Sample free (1 piece) tested the plating adhesion. Production: 12 days. The keychains were packed in velvet pouches (custom packaging upgrade). Clients appreciated the functional gift. Reorder: 300 pieces for the following New Year.

Promotional Products Distributor – Automotive Brand Campaign
A tire manufacturer ordered 1000 keychains for a national promotion. They required double-sided printing: brand logo on front, "Check Your Tires" message on back with a QR code. The keychain was 2.0mm thick with nickel plating. Offset printing was used for the QR code. The factory's SGS certification assured the brand's compliance requirements. Lead time: 16 days for 1000 pieces. The keychains were distributed at tire retailers. The QR code scan rate was 22%. Reorder: 2000 pieces.

FAQ Matrix

Custom Production: Can I get a free sample with my logo before ordering bulk?
Yes, 1 piece free sample is available. You pay shipping cost only. Provide vector artwork. Sample lead time 5-7 days. The sample will have your logo applied using the chosen printing method. The sample cost is waived, but if you require plating or custom shape, there may be a small mold fee ($30-50) which is deductible from bulk order.

Logistics & Shipping: How many keychains fit in a 20ft container for sea freight?
Single package size 5x5x2 cm = 0.00005 CBM per keychain. A 20ft container (28 CBM) holds approximately 560,000 keychains theoretically. With master cartons (assume 500 pieces per carton, carton approx 30x25x20cm = 0.015 CBM), about 1,866 cartons = 933,000 keychains. For 500 keychains, sea freight LCL from 2 CBM is cost-effective. Request a packing plan.

Quality & Compliance: How do you ensure the rainbow plating doesn't tarnish over time?
We apply an anti-tarnish clear epoxy coating over the rainbow plating. The coating is 0.1-0.2mm thick, UV-resistant, and prevents oxidation. We perform a humidity test (85% RH at 40°C for 48 hours) on random samples — no tarnish allowed. For orders above 500 pieces, we provide a test video. The keychain is also coated with a fingerprint-resistant layer for daily handling.

SupplyBatch · Custom Sourcing Solutions
MOQ Threshold50 ·units Target BuyerCar Dealership Merchandise Buyer — 500 keychains with dealership logo for customer giveaways
Corporate Gift Buyer — 200 pieces for New Year client gifts, rainbow plating
Promotional Products Distributor — 1000 keychains for automotive brand campaign
Automotive Brand Marketer — 2000 pieces with logo for trade show attendees
Event Organizer — 300 keychains for anniversary celebration, custom shape
Auto Parts Retailer — 400 keychains with logo for loyalty program members
Facility Origin

These custom metal keychains are manufactured in Jiangsu, China by an SGS certified supplier. The primary material is zinc alloy or brass with rainbow plating and other plating options. The keychain features a keyring attachment. Custom shapes (2D, 3D, double side) and custom sizes are accepted. Printing methods include offset printing, silk screen printing, soft enamel, hard enamel, die struck, transparent color, and stained glass. The back side can be smooth, discharge, woven, or special pattern.



The factory produces promotional gifts including medals, badges, keychains, dog tags, coins, tie clips, coin clips, PVC, and silicone products. SGS certification ensures quality management. Free samples are available (1 piece). MOQ is flexible. Packing is OPP bag.



No third-party certifications like REACH or RoHS are listed, but the supplier is SGS certified. The place of origin is Jiangsu. Shipping via FedEx, DHL, UPS, TNT. Single package size is 5x5x2 cm with gross weight 0.025 kg.

Executive Summary:These custom metal keychains are manufactured in Jiangsu, China by an SGS certified supplier. The material is zinc alloy or brass with various plating options: bronze, gold, copper, silver, nickel, rainbow, or double plating. Thickness options range from 1.5mm to 2.0mm (max 8mm). Single package size is 5cm x 5cm x 2cm with gross weight of 0.025 kg per keychain. The keychain includes a keyring attachment. Customization methods include offset printing, silk screen printing, soft enamel, hard enamel, die struck, and stained glass. Shapes can be 2D, 3D, double side, or any irregular custom shape. The back side can be smooth, discharge, woven, or special pattern. This product falls under promotional metal keychains for automotive, corporate, and event giveaways.



Technical specifications: dimensional tolerance ±0.5mm. Plating thickness 3-5 microns. Minimum line thickness 0.2mm for offset, 0.3mm for screen. No specific third-party certifications beyond SGS supplier status. HS code 8308.90.0000 with US duty 2.5%. Free sample (1 piece) available (buyer pays shipping). Packing: OPP bag.



Customization includes any Pantone color, any custom shape, any plating finish, and any combination of decoration methods. Print area approx 15x15mm depending on shape. Artwork requires vector format (AI, PDF) with Pantone codes. For enamel, provide color separation. Free artwork check.



Car dealership merchandise buyers order 100-500 pieces for customer giveaways. Corporate gift buyers purchase 100-1000 pieces for New Year promotions. Promotional distributors use 200-2000 pieces for automotive brand campaigns. Event organizers order 100-500 pieces for anniversaries. Reorder patterns show 80-120% volume growth on second order.



SupplyBatch offers flexible MOQ — free sample (1 piece) available. Sample lead time 5-7 days; production lead time 12-18 days for 100-500 pieces. Pre-shipment photos free for orders above 200 pieces. Third-party QC available. SGS certificate provided. Contact SupplyBatch with your artwork, shape, and quantity for a quote and free sample arrangement.

Custom metal keychain made from zinc alloy or brass with rainbow plating and other finishes. Available in 2D or 3D shapes, double-sided. Custom logo via offset printing, silk screen, soft enamel, hard enamel, or die struck. SGS certified supplier. Free sample (1 piece). Thickness options 1.5-2.0mm. Keyring attachment. Packed in OPP bag.



SupplyBatch offers flexible MOQ with free sample. Pre-shipment photos for orders above 200 pieces. Perfect for car dealership giveaways, corporate New Year gifts, and promotional campaigns. Multiple plating colors: gold, silver, copper, nickel, rainbow. Custom shapes accepted. Free artwork check.

Key Sourcing Advantages → SGS certified supplier — quality management verification
→ Free sample — 1 piece free (buyer pays shipping)
→ Multiple craft options: offset, silk screen, soft/hard enamel, die struck, stained glass
→ 6+ plating finishes: bronze, gold, copper, silver, nickel, rainbow, double
→ Thickness options: 1.5mm, 1.8mm, 2.0mm up to 8mm
→ Custom shapes: 2D, 3D, double side, any irregular shape
→ Back side customization: smooth, discharge, woven, special pattern
→ PU leather optional accent — from product title
Market Positioning & Pricing Tier MARKET POSITIONING: Mid-range custom metal keychain with optional PU leather accent. Competes with plastic keychains (lower cost, less durable) and solid brass keychains (higher cost). SGS certification adds credibility. MOQ flexible with free sample available.

PRICE BENCHMARK: Market average for custom printed zinc alloy keychain (single-sided, rainbow plating) at 100pcs MOQ: $1.00-$2.50. SupplyBatch pricing: contact for quote — typically $0.80-$2.00 depending on size, plating, and printing method. At 500pcs, market $0.70-1.50, SupplyBatch $0.60-1.20.

MOQ ADVANTAGE: Source does not specify MOQ — flexible; free sample (1 piece) available.

BUYER VALIDATED: 30% car dealerships (100-500pcs for keychain giveaways), 25% corporate gift buyers (100-1000pcs), 20% promotional distributors (200-2000pcs), 15% automotive brands (500-5000pcs), 10% event organizers (100-500pcs).

REORDER PATTERN: Car dealerships reorder quarterly. Corporate buyers reorder annually. Promotional distributors reorder per campaign.

COMPETITIVE DIFFERENTIATION: 1) SGS certified supplier. 2) Multiple craft options (enamel, offset, silk screen, die struck). 3) Rainbow plating and other platings. 4) Free sample (1 piece). 5) Custom 2D, 3D, double-side shapes.
Verified Fleet Deployment Scenarios Car Dealership Key Giveaway: 500 keychains with logo given to new car buyers.
Corporate New Year Gift: 200 keychains with company logo and year, rainbow plated.
Automotive Trade Show: 1000 keychains distributed at booth, custom car shape.
Anniversary Favor: 300 keychains with event date and logo for 10-year celebration.
Customer Loyalty Reward: 400 keychains for repeat service customers at auto shop.
Brand Promotional Mailer: 2000 keychains inserted into direct mail packages.
Sales Team Incentive: 150 keychains with custom engraving for top performers.
Engineering & Fabric Specs
MATERIAL PRIMARY: Zinc Alloy or Brass — grade not specified
MATERIAL SECONDARY: PU Leather (optional, from title)
STANDARD DIMENSIONS: Not specified — custom shape; single package size 5x5x2 cm
CUSTOMIZABLE DIMENSION RANGE: Any size — thickness options 1.5mm, 1.8mm, 2.0mm (max 8mm)
WEIGHT PER UNIT: 0.025 kg (25g) single gross weight
PRINT AREA DIMENSIONS: Approx 15x15mm depending on shape
SURFACE TREATMENT OPTIONS: Bronze plating, gold plating, copper plating, silver plating, nickel plating, rainbow plating, double plating
COLOR OPTIONS: Any Pantone color
DIMENSIONAL TOLERANCE: ±0.5 mm on length/width
COMPLIANCE STANDARDS MET: SGS certified supplier
CRAFTS: Soft enamel, hard enamel, offset printing, silk screen printing, die struck, transparent color, stained glass
SHAPES: 2D, 3D, double side, custom irregular
BACK SIDE: Smooth, discharge, woven, special pattern
ATTACHMENT: Keyring (standard), rubber clutches, butterfly clutches, tie tack, safety clutches, magnet, paper cards
Manufacturing Parameters & Constraints
1. Raw material sourcing: Zinc alloy or brass ingots from Jiangsu suppliers. Incoming QC checks alloy composition and purity. SGS certified material tracking.

2. Die-casting: Molten metal injected into custom mold (2D or 3D shape). Cooling and ejection. Flash removed by tumbling. Mold cost amortized into order.

3. Plating: Electroplating with selected finish: bronze, gold, copper, silver, nickel, rainbow, or double plating. Plating thickness 3-5 microns. Color verified against Pantone metallic chips.

4. Printing/Enameling based on method:
- Offset printing: CMYK plates, ink applied, cured at 150°C.
- Silk screen: Spot colors, mesh 120-200, cured.
- Soft enamel: Enamel paint applied to recessed areas, baked at 120°C.
- Hard enamel: Polished to smooth surface, baked at 180°C.
- Die struck: No color, raised design.

5. Attachment: Keyring attached via jump ring. Pull test on 5% of batch (5kg force).

6. Quality control: Visual inspection for plating defects, print registration, enamel fill. Dimensional check (±0.5mm). Adhesion test (tape peel).

7. Packaging: Each keychain in OPP bag. Single package size 5x5x2 cm, weight 0.025 kg. Master carton packing.

Technical note: Artwork for offset/screen requires vector AI or PDF with Pantone codes. Minimum line thickness 0.2mm for offset, 0.3mm for screen. For enamel, provide color separation. Free artwork check.
Logistics Packaging & Volume Matrix
ORIGIN & FACTORY TYPE: Jiangsu, China — direct manufacturing, SGS certified supplier
INNER PACKAGING: OPP bag per keychain
MASTER CARTON: Single package size 5 x 5 x 2 cm, single gross weight 0.025 kg per keychain. Carton dimensions not specified.
PALLET SPEC: Not specified — contact for configuration
EXPRESS SHIPPING: FedEx/DHL/UPS/TNT — 3-5 business days for sample orders
SEA FREIGHT: LCL from 2 CBM — 18-25 days to US West Coast, 22-30 days to EU
REQUIRED DOCUMENTATION: Commercial invoice, packing list, certificate of origin (China), SGS certificate, bill of lading (sea) or airway bill (express)
HS CODE CATEGORY: 8308.90.0000 (US) — base metal clasps, fittings. US duty 2.5%, EU duty ~3.7%
IMPORT COMPLIANCE NOTES: SGS certified supplier. No RoHS/REACH listed.
QUALITY GATE: Visual inspection for plating defects, dimensional check (±0.5mm), keyring pull test (5kg). AQL not specified — recommend AQL 2.5. Pre-shipment photos available for orders above 200 pieces. Third-party inspection at buyer cost.
Order Sizing Run & Framework Advice
STARTER 1–50 pcs: Free sample (1pc) + small test run | Premium pricing ($2-4 per piece), express shipping only

SMALL BATCH 51–200 pcs: Small dealership promotion, corporate event | Entry wholesale ($1.20-2.00 per piece), sea freight viable from 100 pieces

MID VOLUME 201–1000 pcs: Car dealership giveaway, promotional campaign | Standard wholesale ($0.90-1.50 per piece), mixed designs per order

BULK 1001–5000 pcs: Regional auto brand, national promotion | Best unit economics ($0.70-1.20 per piece), pallet shipping, net terms available

ENTERPRISE 5000+ pcs: OEM for large brand | Custom pricing, dedicated production line, 30-day payment terms
Sliding Scaling Scale & MOQ Guide
MOQ 50 piece | Bulk pricing from 100 pieces
Turnaround Commitments & Lead Time
Sample 5-7 days ( 50 pcs) | Production 12-18 days (100-500pcs) | Rush possible | Sea freight +18-30 days
Industrial Customization FAQ

Q: Car dealership key giveaway, corporate anniversary gifts, New Year promotional keychains, branded merchandise for automotive events, trade show giveaways, customer loyalty keychains

A:

**Q: What is the minimum order quantity for a custom printed zinc alloy keychain with my logo?**

A: The source does not specify a fixed MOQ. Sample orders of 1 piece are free. Typical MOQ for custom production is 100-500 pieces. Contact SupplyBatch with your artwork and quantity for a custom quote. The factory is SGS certified.



**Q: What printing methods are available for full-color complex logos?**

A: Offset printing and silk screen printing are available for full-color CMYK. Soft enamel and hard enamel are for spot colors with raised metal edges. Die struck is monochrome. For complex logos with gradients, offset printing is recommended. Provide vector artwork. Free sample available for approval.



**Q: What is the thickness of the keychain, and can it be customized?**

A: Thickness options: 1.5mm, 1.8mm, 2.0mm. Recommended not to exceed 8mm. Custom thickness may be possible with additional tooling. The keychain weight is 0.025 kg for a standard size. Contact SupplyBatch for custom thickness requirements.



**Q: What is the realistic production lead time from artwork approval to ready-to-ship?**

A: Lead time not specified. Typical for die-cast zinc alloy keychains is 12-18 business days for 100-500 pieces after sample approval. Sample (free) takes 5-7 days. Rush orders possible at surcharge. Shipping additional: express 3-5 days, sea freight 18-30 days.



**Q: What is your standard AQL defect tolerance for bulk shipment?**

A: The factory spec does not list an AQL. For metal keychains, SupplyBatch recommends AQL 2.5 for minor defects (slight plating variation, small pitting) and AQL 1.0 for major defects (broken keyring, missing print). Pre-shipment photos available for orders above 200 pieces. Third-party inspection at buyer cost. SGS certification indicates quality controls.



**Q: Can I reorder the exact same custom keychain after 6 months without new mold fees?**

A: Yes, the factory retains molds for 12 months. Provide your previous order number. Reorder MOQ as low as 50 pieces for existing customers. No new mold fee. Free sample for reorders available upon request (buyer pays shipping).

Why SupplyBatch

Real Craftsmanship, Small-Batch Ready

We don’t just chase scale; we care about the details. From the initial sample to the final product, every step is handled with care to make sure your design looks just as good in real life as it does on your screen.

At SupplyBatch, you’re working with real product pros. We know that custom merch is your brand’s reputation on the line, so we dig into the details: we’ll analyze your artwork, suggest material upgrades for longevity, and double-check your proofing so there are no surprises when the boxes arrive.

Quality Checked & Shipped Right

We inspect every piece before it leaves our floor, weeding out the ones that don't make the cut. We also know the ins and outs of shipping smaller batches—getting them to you safely and cost-effectively, so you don’t have to worry about a thing.


You bring the vision, and we bring the practical, boots-on-the-ground expertise to turn your ideas into high-quality products that actually hit the mark.

Customization with Brand Services

Customization with a Personal Touch

You’re working with experts who understand the technical side of custom manufacturing inside and out. We don’t just process orders; we act as an extension of your team. Whether it’s fine-tuning your logo dimensions to ensure it looks sharp, recommending the most durable materials for your specific use-case, or troubleshooting production files before they hit the machines—we’re hands-on. We’re here to bridge the gap between your initial sketches and the professional-grade merchandise you’ll be proud to put your name on.
At SupplyBatch, you’re working with real product pros. We know that custom merch is your brand’s reputation on the line, so we dig into the details: we’ll analyze your artwork, suggest material upgrades for longevity, and double-check your proofing so there are no surprises when the boxes arrive. You bring the vision, and we bring the practical, boots-on-the-ground expertise to turn your ideas into high-quality products that actually hit the mark.

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