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

목차

1. 소개

2. Client Background & Project Scope

3. 설계 & Material Selection Process

4. Production Planning & Quality Control Systems

5. Manufacturing Execution

6. 기호 논리학 & International Shipping Considerations

7. Lessons Learned & Process Improvements

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

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1. 소개

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

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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:

  • 수량: 45,000 한 쌍

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

  • 배달: 3 phased shipments over 5 달

  • 규정 준수: Must meet Korea’s KC certification standards

2.2 Key Challenges Identified

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3. 설계 & Material Selection Process

3.1 Collaborative Design Development

단계 1: Concept Alignment

• Client provided mood boards emphasizing “soft luxury” 미적인

• 3 rounds of CAD revisions to perfect setting proportions

단계 2: 재료 테스트

• Compared 5 pearl suppliers for luster consistency

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

Final Specifications:

• 진주: AA+ grade 8mm Vietnamese freshwater

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

• 결과: Surgical steel posts for hypoallergenic wear

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4. Production Planning & 품질 관리

4.1 Factory Capacity Analysis

4.2 Multi-Stage QC Protocol

1. 들어오는 자재 검사 (XRF testing for metal composition)

2. 진행 중인 수표 (Hourly plating thickness measurements)

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

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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

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6. 기호 논리학 & 규정 준수

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 포장 솔루션

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

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

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7. Lessons Learned

7.1 Key Improvements for Future Orders

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

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

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8. 결론

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