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Custom Gold-Plated Brass Double-Layer OT Clasp Long Necklace by an Australian Client at JINGYING

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Custom Gold-Plated Brass Double-Layer OT Clasp Long Necklace by an Australian Client at JINGYING

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In today’s fashion-forward jewelry industry, customized pieces are no longer a luxury—they are a necessity for brands aiming to stand out. One recent collaboration between an Australian boutique jewelry label and JINGYING, a premier Chinese custom jewelry manufacturer, exemplifies the power of creative vision paired with manufacturing expertise. This article details the journey of customizing a gold-plated brass, double-layered long necklace with an OT clasp—commonly known as a “sweater chain”—from concept to delivery.

JINGYING’s ability to merge design, bahan, and advanced production techniques enabled this Australian brand to launch a versatile, elegant, and trend-aligned necklace that quickly became a market favorite.

Chapter 1: Understanding the Client and Product Vision

1.1 The Australian Jewelry Brand

The client is a Melbourne-based women’s accessories brand that emphasizes minimalism with a bold edge. Known for its clean lines and gold-finish fashion jewelry, the brand caters to women aged 28–45 who seek versatile pieces for both work and leisure.

Their product vision for this project:

  • A double-layer long necklace for layering with different outfits

  • OT clasp (toggle bar closure) as a statement detail

  • Made with gold-plated brass for affordability and shine

  • Designed for the autumn/winter “layering” trend

  • Quantity: Initial order of 3,000 unit

Chapter 2: Why JINGYING?

2.1 Manufacturer Overview

JINGYING is a large-scale custom jewelry manufacturer with over 20 pengalaman bertahun -tahun, headquartered in Guangzhou, Cina. Specializing in brass, Sterling Silver, and stainless steel pieces, JINGYING provides end-to-end OEM and ODM services to clients around the globe.

Key advantages that attracted the Australian client:

  • Advanced brass electroplating techniques

  • In-house design and CAD capabilities

  • Strong QC system and SGS-certified material sourcing

  • Timely production and international logistics support

Chapter 3: From Design Concept to CAD Modeling

3.1 Initial Consultation

The Australian client provided a mood board of current layering trends, along with:

  • A rough sketch of a two-tier necklace (one short, one long)

  • Specification of an oversized OT clasp for the lower tier

  • Preferred chain types: thin box chain and twisted rope chain

  • Desired finish: 18k real gold electroplating over brass

JINGYING’s product development team scheduled a video meeting to discuss feasibility, dimensions, and budget targets.

3.2 3D Design and Rendering

Using CAD software (Rhino and MatrixGold), JINGYING created 3D models with the following specifications:

  • First layer: 45 cm fine box chain

  • Second layer: 70 cm twisted rope chain

  • OT clasp: 20mm diameter ring and 25mm bar

  • Pendant Option: removable gold coin charm

Renderings were sent in different lighting settings to showcase the reflection and metal tone.

Chapter 4: Sampling and Material Testing

4.1 Brass Sample Creation

JINGYING produced a small batch of 10 samples using precision-cast brass. The samples were then:

  • Polished to high shine

  • Electroplated with 3 microns of 18K real gold

  • Finished with anti-tarnish coating

Samples were sent via DHL to Melbourne. Feedback:

  • The client loved the weight and chain movement

  • Slight modification requested on clasp thickness

  • Added laser logo engraving on the OT ring

4.2 Material Testing

To ensure long-term durability:

  • Gold-plated surface passed 48-hour salt spray tests

  • Nickel release was tested to meet EU REACH standards

  • Brass purity confirmed by XRF analyzer

Chapter 5: Mass Production and Quality Control

5.1 Production Process

The necklace went through the following stages:

  1. Brass wire molding and chain weaving

  2. Precision welding of OT clasps

  3. Ultrasonic cleaning

  4. 18K gold electroplating (3 Mikron)

  5. Clear anti-oxidation lacquer application

  6. Laser logo engraving

Production was completed in 23 working days.

5.2 Kontrol kualitas yang ketat

JINGYING’s QC team inspected each necklace using:

  • Dimensional checks for chain lengths

  • Surface finish inspection under magnification

  • OT clasp lock strength testing

  • Drop test for clasp durability

A random sample batch was sent to the client for pre-shipping approval, which was approved without revisions.

Chapter 6: Packaging and Branding

6.1 Packaging Development

The client opted for a premium yet sustainable packaging solution:

  • Matte ivory drawer box with gold foil logo

  • FSC-certified cardboard with black velvet insert

  • Outer carton with minimalist brand messaging

Each necklace included:

  • A thank-you card

  • Jewelry care guide

  • QR code for the brand’s story

6.2 Logistics and Shipping

The order was split into two shipments:

  • Pertama 1,000 units by air freight to meet a press launch deadline

  • Remaining 2,000 units by sea freight to reduce cost

JINGYING handled all export documentation, including:

  • Commercial invoice

  • HS code declaration

  • RoHS and REACH compliance certificates

Chapter 7: Market Launch and Performance

7.1 Social Media Teasers and PR

The Australian brand created a pre-launch campaign titled “Golden Layers.” With lifestyle photography featuring the necklace styled with knitwear and trench coats, they promoted the item through:

  • Instagram influencer giveaways

  • TikTok styling videos

  • Pinterest ad placements

7.2 Sales Results

Within the first month:

  • 80% of air-shipped inventory sold out

  • Lebih 2,000 units sold in retail and e-commerce

  • Top reviews mentioned versatility, elegance, and quality feel

Customer testimonials praised the necklace’s ability to elevate both casual and formal outfits.

Chapter 8: Expansion and Future Orders

Due to the success, the client ordered:

  • 5,000 more units for spring (silver-plated version)

  • 3-layer variation for summer festival styling

  • Matching gold-plated earrings and bracelet

JINGYING’s consistent quality and communication helped them secure a year-long partnership with the Australian brand.

Chapter 9: What Makes JINGYING Ideal for Fashion Jewelry Brands

  • High-volume capability (100,000 units/month)

  • Professional design-to-delivery support

  • Custom plating thickness (1–5 microns)

  • Transparent costing and materials

  • Fashion trend forecasting services

For any brand looking to create eye-catching, tahan lama, and affordable custom jewelry, JINGYING offers unmatched reliability and innovation.

Kesimpulan

The story of this Australian client’s gold-plated brass double-layer OT clasp long necklace project with JINGYING reflects the essence of what makes modern jewelry manufacturing so dynamic: creative collaboration, technical expertise, and agile execution. From concept sketches to mass production, every phase was shaped by precision, communication, and a shared vision of quality.

Whether you’re a growing fashion brand or an established retailer, working with manufacturers like JINGYING can transform your ideas into wearable stories—crafted with care and destined for global appeal.