SUNFEEL Look up a product code

Verify Your Jewelry Brand Search

SUNFEEL Solder-Free Gold

Check the hallmark and product tag on your jewelry, then enter its unique code to look up the details.

“Sunfeel Solder-Free Gold” Receives Certification from National Authoritative Institutions

Sunfeel—the pioneer of the “Solder-Free Gold” category—created the innovative “Solder-Free Welding Technology,” making gold purer and more valuable. This achievement has been granted national invention patents and honored with the “China Gold Association Science and Technology First Prize,” demonstrating full recognition from national authoritative institutions and establishing Sunfeel Solder-Free Gold’s leadership in the industry.

Gold ring with its hallmark shown under a magnifying glass
SFR Au999.9 Hallmark
SUNFEEL product tag with a barcode and product code
Product Information Tag
Examples of an inspection report and a science and technology award certificate
Inspection and Award Documents

Use the product code printed on your tag. If you need help finding it, contact SUNFEEL.

Sunfeel Solder-Free Gold: Purer and More Valuable

Every Sunfeel Jewelry product features a globally unique identification code. You can verify your purchased product's information by querying this code. If no information appears when entering the code, you may have purchased a product not from Sunfeel Jewelry. For any inquiries, please contact customer service at +86 4007-888-777

Global Unique Code Query