NOUVELLES

Custom Production of 45,000 Rose Gold Pearl Earrings for a South Korean Client at JINGYING Jewelry

Posté le par Joyjy

Custom Production of 45,000 Rose Gold Pearl Earrings for a South Korean Client at JINGYING Jewelry

Table des matières

  1. Introduction

  2. Client Background & Project Scope

  3. Design & Material Selection Process

  4. Production Planning & Quality Control Systems

  5. Manufacturing Execution

  6. Logistics & International Shipping Considerations

  7. Lessons Learned & Process Improvements

  8. Conclusion: Keys to Successful Large-Scale Custom Jewelry Manufacturing

1. Introduction

This white paper documents JINGYING Jewelry’s complete workflow for fulfilling a major custom order of 45,000 rose gold-plated pearl earrings for a premium South Korean accessories brand. The case study examines:

  • Special requirements of the Korean luxury market

  • Technical challenges in mass-producing consistent pearl jewelry

  • Solutions developed for quality assurance at scale

  • Cultural considerations in Korean business partnerships

Industry professionals will gain actionable insights into:
✔ Managing 5-figure custom jewelry orders
✔ Cross-cultural client management strategies
✔ Optimizing production efficiency without sacrificing craftsmanship

2. Client Background & Project Scope

2.1 About the Client

  • Market Position: Leading mid-tier Korean fashion jewelry brand

  • Customer Demographics: Women aged 25-40, urban professionals

  • Order Specifications:

    • Quantité: 45,000 couple

    • Style: 8mm freshwater pearl with rose gold-plated brass settings

    • Delivery: 3 phased shipments over 5 mois

    • Compliance: Must meet Korea’s KC certification standards

2.2 Key Challenges Identified

Challenge Solution Approach
Pearl color consistency across bulk order Sourced entire pearl lot from single Vietnamese farm
Rose gold plating durability requirements Implemented 3-layer PVD coating process
Korean packaging regulations Developed bilingual packaging with KC mark

3. Design & Material Selection Process

3.1 Collaborative Design Development

Phase 1: Concept Alignment

  • Client provided mood boards emphasizing “soft luxury” aesthetic

  • 3 rounds of CAD revisions to perfect setting proportions

Phase 2: Material Testing

  • Compared 5 pearl suppliers for luster consistency

  • Tested 3 gold plating thicknesses (0.5μm vs 1μm vs 2μm)

Final Specifications:

  • Perles: AA+ grade 8mm Vietnamese freshwater

  • Métal: Lead-free brass base with 2μm rose gold PVD coating

  • Findings: Surgical steel posts for hypoallergenic wear

4. Production Planning & Contrôle de qualité

4.1 Factory Capacity Analysis

Production Stage Standard Capacity Scaled Solution
Pearl drilling 2,000/jour Added night shift + 3 new laser drills
Metal casting 1,500 units/day Partnered with secondary foundry
Quality inspection 20% sampling Implemented 100% pearl inspection station

4.2 Multi-Stage QC Protocol

  1. Incoming Material Inspection (XRF testing for metal composition)

  2. In-Process Checks (Hourly plating thickness measurements)

  3. Final Audit (3-person inspection team, 10% destructive testing)

5. Manufacturing Execution

5.1 Phased Production Timeline

5.2 Efficiency Innovations

  • Automated Pearl Sorting: AI vision system reduced sorting time by 60%

  • Modular Fixtures: Quick-change tooling allowed 15% faster style changeovers

6. Logistics & Compliance

6.1 Export Documentation

  • KC Certification (Korean Safety Standards)

  • CITES Certificate for pearl exports

  • 3PL Partnership with DHL for temperature-controlled pearl transport

6.2 Packaging Solutions

  • Retail Boxes: FSC-certified paper with soy ink printing

  • Shipping Configuration: 150 master cartons (300 units each)

7. Lessons Learned

7.1 Key Improvements for Future Orders

  1. Earlier Pearl Procurement (6-month lead time vs original 3 mois)

  2. Dual-Source Metal Supply (Mitigated brass shortage risks)

7.2 Client Feedback Highlights

“JINGYING’s responsiveness to our last-minute packaging change request saved our Q4 launch timeline.”

  • Ms. Lee, Purchasing Director

8. Conclusion

This project established JINGYING’s capability to deliver:
✅ Large-scale consistent quality (0.8% defect rate vs industry 3% average)
✅ Cultural customization (Korean-language QC documents)
✅ Technical compliance (Met all KC and EU nickel directives)

For brands considering bulk custom jewelry production, this case demonstrates the critical importance of:

  1. Early supplier collaboration

  2. Modular production planning

  3. Cultural intelligence in client relations