Earrings, Necklaces, Bracelets Manufacturer -Kulana

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Corporate Strength – Mid-sized & Agile Positioning Corporate Strength – Mid-sized & Agile Positioning

Corporate Strength – Mid-sized & Agile Positioning

We have a team of 70 staff, a 2,000 sq.m factory, 5 full-time QA/QC inspectors, and over 5 certified engineers each with 5+ years of industry experience. Our scale sets us apart from small workshops and oversized factories, striking a perfect balance between professional expertise and operational agility. Notably, our core competitive edge lies not in finished jewelry, but in Jewelry Findings & Components—a niche segment featuring extremely high repurchase rates and strong customer loyalty.

R&D & Design – Independent Trend-Driven New Product Releases R&D & Design – Independent Trend-Driven New Product Releases

R&D & Design – Independent Trend-Driven New Product Releases

Our in-house professional original design and R&D team keeps pace with global jewelry trends and launches updated new styles monthly. We support custom development based on clients’ drawings and samples, with rapid sampling and efficient project execution to match exclusive brand aesthetics and market bestseller demands.

 One-Stop Sourcing – Full-Range Complete Supply  One-Stop Sourcing – Full-Range Complete Supply

One-Stop Sourcing – Full-Range Complete Supply

We specialize in a full spectrum of ornaments and accessories including stud earrings, clip-on earrings, necklaces and jewelry components, with an extensive inventory of styles. Clients can complete product selection and centralized procurement in one stop, eliminating the hassle of coordinating multiple suppliers to save time, labor and worry.

Rigorous Quality Control – Full-Process Inspection Supervision Rigorous Quality Control – Full-Process Inspection Supervision

Rigorous Quality Control – Full-Process Inspection Supervision

A multi-layered quality control system covers every stage: raw material incoming screening, in-process production patrol inspections, and 100% finished goods inspection before shipment. We maintain a consistently high qualified product rate, strictly filter defective items, and ensure uniform, stable and reliable quality across all batches.

Flexible Production – Accept All Order Sizes Flexible Production – Accept All Order Sizes

Flexible Production – Accept All Order Sizes

Moving beyond rigid mass production schedules, we adopt a flexible production scheduling system. We undertake large-scale full OEM orders for brands as well as small-batch bulk orders and custom orders. Our well-planned lead times guarantee on-time delivery, catering to diverse order requirements from wholesalers, e-commerce sellers and brand owners.

Exclusive Dedicated Service – One-on-One Whole-Process Support Exclusive Dedicated Service – One-on-One Whole-Process Support

Exclusive Dedicated Service – One-on-One Whole-Process Support

We provide full-cycle one-on-one services covering pre-sales consultation, style selection, custom sampling, production tracking and after-sales guarantee. Our professional sales team delivers fast response, streamlined communication and simplified workflows to deliver truly hassle-free one-stop cooperation.

17 +

Years of Experience

80 +Million

Pieces Produced

200 +

Countries & Regions Exported

98 %

Quality PSA Rate

30,000 +

Business Partners

2000 +

Factory Space

17-year-old independent production factory for fashion jewelry

17-year-old independent production factory for fashion jewelry

Supporting flexible customization for global customers

Duration of establishment

Duration of establishment

Having been deeply involved in the jewelry industry for 17 years, with solid experience and expertise accumulated from the source factories, and reliable industry knowledge.

Develop new capabilities in research and development

Develop new capabilities in research and development

For new product development, we have a professional design and R&D team. We release over 30 new products every month and can also support customized development services.

Customization service capability

Customization service capability

Support personalized customization based on provided drawings and samples. The sample production cycle is short. The order receiving is flexible and can adapt to various order customization capabilities.

kulana is the jewelry brand of Dongguan Rongsheng Jewelry Co., Ltd., an ISO 9001-certified manufacturer established in 2009, offering OEM & ODM services worldwide.

Our Prestigious Clients

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Certificate

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One Stop Service

Customized Case

Reviews

Founder of E-commerce Brand
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Founder of E-commerce Brand

We’ve maintained stable cooperation for three years, placing bulk orders of thousands of pieces every month. Product quality is consistently uniform. They supply a full lineup of jewelry accessories with fast new arrivals, enabling one-stop sourcing and drastically cutting procurement communication costs.

Purchasing Director, Offline Chain Brand
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Purchasing Director, Offline Chain Brand

After comparing many manufacturers, we chose them as our long-term supplier. Customization based on drawings and samples is available; regular samples are ready within 7 days with professional, efficient revisions. They flexibly accommodate orders of all sizes, deliver on schedule and keep promises, bringing smooth and hassle-free communication.

Manager of Cross-border Import & Export Business
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Manager of Cross-border Import & Export Business

We’ve partnered with them on cross-border business for five years. They have a complete QC system that maintains an ultra-low defective rate. The whole workflow—order communication, production tracking and after-sales support—is professional and efficient. They are our solid core supply chain partner for overseas markets.

Latest Article

After 17 years of deep development, Rongsheng Jewelry has established itself as a leading manufacturer of stainless steel jewelry through the integration of the entire production chain.
After 17 years of deep development, Rongsheng Jewelry has established itself as a leading manufacturer of stainless steel jewelry through the integration of the entire production chain.

Rongsheng Jewelry excels in stainless steel jewelry manufacturing with 17 years of expertise in the entire production chain. Discover our quality.

Read more
Ultra-fast customization empowers global customers! Rongsheng Jewelry offers 3-minute sample production and 2-day delivery. The flexibility of the supply chain is prominently demonstrated.