Our Factory

1. Design & Mold Making
We turn your sketches, references or ideas into precise molds. Custom logo and unique patterns are available.

2. Wax Injection & Casting
Lost wax casting technology for 925 sterling silver pieces, ensuring fine details of every jewelry.

3. Polishing & Stone Setting
Hand polishing to get smooth surface. Professional inlay work for cubic zirconia, gemstones and other stones.

4. Plating & Surface Treatment
Multiple plating options: rhodium plating, gold plating, rose gold plating, black rhodium etc. Anti-tarnish treatment available.

5. QC Inspection & Packing
Strict quality check one by one before packing. Custom packing solution can be offered for brand orders.


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Shengyu Jewelry is a 925 sterling silver jewelry manufacturer based in Shanwei, Guangdong, China. We provide integrated jewelry manufacturing services from product development to finished jewelry.

We own a full-set production workshop covering mold making, wax injection, casting, polishing, stone setting and quality inspection. Every step is controlled by our in-house team to guarantee stable quality, flexible MOQ and on-time delivery for global wholesale buyers.

Our team has rich experience in custom jewelry, including custom engraving, plating options, OEM & ODM design development. We have served many jewelry brands, retailers and distributors across Europe, North America and Australia.