Jewelry Certificate

Custom Jewelry Manufacturing Services With NDA

We strictly protect our clients’ privacy and intellectual property. A signed NDA ensures your designs remain 100% confidential throughout the production process. Your trust and ideas are safe with us.

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OEM for All Types Jewelry

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How Our Custom Jewelry Design Process Works

  • step 1

     Hand-Drawn Sketch

    Begin with a hand  sketch to  shape your  jewelry vision.

  • step 2

    3D Printing for Waxing Mold

    A wax model is created through 3D printing or skilled sculpting to capture every detail.

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    step 3

    Accurate the Brass Mold

    We refine the brass  mold for precise mass 

    production.

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    step 4

    Waxing Injection for mass production

    Wax replicas are made  for silver casting.

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    step 5

    Casting wax parts to Silver

    Wax models are cast  into silver, shaping the  final design.

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    step 6

    Gate Cutting

    Excess silver is  trimmed to reveal the  jewelry’s  shape.

  • jewelry manufacture

    step 7

    Polishing

    Polished to a smooth,  shiny finish-enhancing beauty and

     detail.

  • jewelry manufacture

    step 8

    Electroplating

    Electroplating uses electric current to apply a shiny, durable metal layer.

  • step 9

    Cosmetic Secondary Work

    Final touches like inlay  or engraving  personalize each piece.

  • step 10

    Packing

    Your jewelry is  packaged carefully,  ensuring it arrives in  perfect condition.
Fast Custom Jewelry, MOQ 1

Jewelry Manufacturing Excellence: 15,000+ Pieces Daily

Why Choose Tonglin for Custom Jewelry Design?

  • Fast Production in 3 Days

    At Tonglin Jewelry, we complete most custom orders in just 3 days, ensuring quick delivery without sacrificing quality.

  • Quality

    Every piece is fully inspected to ensure flawless, high-quality jewelry with zero defects.

  • After-Sales Guarantee

    Enjoy peace of mind with our 1-year warranty, free returns, exchanges, and lifetime support—your satisfaction is always guaranteed. 
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Customisation FAQ

Do you provide custom design services?

Yes! We offer hand-drawn sketches and CAD design services to bring your custom jewelry ideas to life. Our design team ensures precision and beauty in every piece.

Do you provide professional product images?

Absolutely! We offer high-resolution product images to help you showcase and market your jewelry effectively. These images highlight intricate details and reflect the true quality of our craftsmanship.

How do you ensure product quality before shipping?

Every piece of jewelry undergoes a full inspection before shipment. Our quality control team carefully checks for craftsmanship, durability, and stone settings to ensure the highest standards.

What is the warranty period for your jewelry?

We offer a one-year warranty on all our jewelry. If you experience any quality issues within this period, we provide free returns and exchanges to ensure complete customer satisfaction.

Do you offer after-sales support?

Yes! We provide lifetime after-sales service for all our products. Whether you need maintenance, repairs, or assistance with your jewelry, our team is always available to help.

How do you protect the confidentiality of custom designs?

We highly respect our clients' intellectual property and design rights. For all custom orders, we provide a Confidentiality Agreement (NDA) to ensure that your designs remain exclusive to you. We will never share, reproduce, or use your custom designs without your explicit consent.