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.

Get a Free Quote

Product Introduction

Learn More

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.

  • jewelry dropshipping suppliers

    step 3

    Accurate the Brass Mold

    We refine the brass  mold for precise mass 

    production.

  • jewelry dropshipping suppliers

    step 4

    Waxing Injection for mass production

    Wax replicas are made  for silver casting.

  • jewelry dropshipping suppliers

    step 5

    Casting wax parts to Silver

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

  • jewelry dropshipping suppliers

    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.
Visit Our Factory and Production Lines

Certificate

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. 
Ready in 3 Days – Try Now

カスタマイズに関するよくある質問

材料

1. 925 スターリングシルバー、防水、変色なし、低刺激性、6 か月～ 3 年間色を保持。
2. 316/316L ステンレス鋼、防水、変色防止、6 か月～ 3 年間の色保持。
3. 10k、12k、14k、18k、24kの純金。
弊社には豊富な石材のライブラリがあり、お客様のニーズに合わせてさまざまな素材をご提供できます。

最小注文数量

1. カタログデザインの場合、MOQはデザインごとに5個となります。
2. カスタマイズされたデザインの場合、最小注文数量は 60 ～ 100 個になります。
詳しい内容につきましては、弊社営業チームまでご確認ください。

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.