Custom Gold-Plated Brass Double-Layer OT Clasp Long Necklace by an Australian Client at JINGYING
Introducere
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, materiale, and advanced production techniques enabled this Australian brand to launch a versatile, elegant, and trend-aligned necklace that quickly became a market favorite.
Capitol 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:
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O double-layer long necklace for layering with different outfits
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OT clasp (toggle bar closure) as a statement detail
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Made with gold-plated brass for affordability and shine
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Designed for the autumn/winter “layering” trend
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Cantitate: Initial order of 3,000 unități
 
Capitol 2: Why JINGYING?
2.1 Manufacturer Overview
JINGYING is a large-scale custom jewelry manufacturer with over 20 ani de experiență, headquartered in Guangzhou, China. Specializing in brass, argint veritabil, 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:
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Advanced brass electroplating techniques
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In-house design and CAD capabilities
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Strong QC system and SGS-certified material sourcing
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Timely production and international logistics support
 
Capitol 3: From Design Concept to CAD Modeling
3.1 Consultare inițială
The Australian client provided a mood board of current layering trends, along with:
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A rough sketch of a two-tier necklace (one short, one long)
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Specification of an oversized OT clasp for the lower tier
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Preferred chain types: thin box chain and twisted rope chain
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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:
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First layer: 45 cm fine box chain
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Second layer: 70 cm twisted rope chain
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OT clasp: 20mm diameter ring and 25mm bar
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Pendant Option: removable gold coin charm
 
Renderings were sent in different lighting settings to showcase the reflection and metal tone.
Capitol 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:
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Polished to high shine
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Electroplated with 3 microns of 18K real gold
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Finished with anti-tarnish coating
 
Samples were sent via DHL to Melbourne. Feedback:
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The client loved the weight and chain movement
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Slight modification requested on clasp thickness
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Added laser logo engraving on the OT ring
 
4.2 Material Testing
To ensure long-term durability:
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Gold-plated surface passed 48-hour salt spray tests
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Nickel release was tested to meet EU REACH standards
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Brass purity confirmed by XRF analyzer
 
Capitol 5: Mass Production and Quality Control
5.1 Production Process
The necklace went through the following stages:
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Brass wire molding and chain weaving
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Precision welding of OT clasps
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Curățare cu ultrasunete
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18K gold electroplating (3 microni)
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Clear anti-oxidation lacquer application
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Gravura cu logo-ul cu laser
 
Production was completed in 23 working days.
5.2 Control riguros al calității
JINGYING’s QC team inspected each necklace using:
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Dimensional checks for chain lengths
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Surface finish inspection under magnification
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OT clasp lock strength testing
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Drop test for clasp durability
 
A random sample batch was sent to the client for pre-shipping approval, which was approved without revisions.
Capitol 6: Ambalare și branding
6.1 Packaging Development
The client opted for a premium yet sustainable packaging solution:
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Matte ivory drawer box with gold foil logo
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FSC-certified cardboard with black velvet insert
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Outer carton with minimalist brand messaging
 
Each necklace included:
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A thank-you card
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Jewelry care guide
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QR code for the brand’s story
 
6.2 Logistics and Shipping
The order was split into two shipments:
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Primul 1,000 units by air freight to meet a press launch deadline
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Remaining 2,000 units by sea freight to reduce cost
 
JINGYING handled all export documentation, inclusiv:
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Commercial invoice
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HS code declaration
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RoHS and REACH compliance certificates
 
Capitol 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:
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Instagram influencer giveaways
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TikTok styling videos
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Pinterest ad placements
 
7.2 Sales Results
Within the first month:
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80% of air-shipped inventory sold out
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Peste 2,000 units sold in retail and e-commerce
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Top reviews mentioned versatility, eleganţă, and quality feel
 
Customer testimonials praised the necklace’s ability to elevate both casual and formal outfits.
Capitol 8: Expansion and Future Orders
Due to the success, the client ordered:
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5,000 more units for spring (silver-plated version)
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3-layer variation for summer festival styling
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Matching gold-plated earrings and bracelet
 
JINGYING’s consistent quality and communication helped them secure a year-long partnership with the Australian brand.
Capitol 9: What Makes JINGYING Ideal for Fashion Jewelry Brands
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High-volume capability (100,000 units/month)
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Professional design-to-delivery support
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Custom plating thickness (1–5 microns)
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Transparent costing and materials
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Fashion trend forecasting services
 
For any brand looking to create eye-catching, durabil, and affordable custom jewelry, JINGYING offers unmatched reliability and innovation.
Concluzie
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, comunicare, 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.
