Brass and stainless steel are the top choices for fashion jewelry brands. As a renewable metal, brass is environmentally friendly. Compared to silver, brass costs approximately 20% less and offers higher precision. Its excellent ductility ensures a perfect match for most crafts. Stainless steel can be vacuum-plated, achieving longer color retention and excellent stability. The material’s inherent hardness resists scratches from daily wear. Stainless steel is inherently anti-allergenic and resilient, offering both safety and environmental benefits for daily wear.
SH has been manufacturing brass/stainless steel for over 20 years. We understand the deep demands of jewelry brands for the supply chain – from the technical transformation of accurate design drafts, to the material system that meets environmental standards, to the agile production model that ensures the rhythm of fast fashion. We are equipped with a 26-person designer team to provide 1:1 drawing optimization, and have an exclusive electroplating factory to ensure electroplating standards. All production lines adopt modular production to achieve a flexible delivery period of 7-40 days. We have completed the delivery of 30,000+ hot products per month in the peak season for more than 300 independent jewelry brands. Unlike conventional factories, we assign an independent product manager to each partner to follow up the whole process, and achieve a 97% order 0 customer complaint rate through the three levels of raw material testing-process quality inspection-final inspection.
With 20 years of experience in brass jewelry customization, we have achieved a 47% higher precision of special-shaped structures than conventional casting processes based on a complete ERP system and CNC precision engraving technology with an error of 0.05mm. Through the combination of medical-grade ROHS substrate and 7-layer electroplating protection technology (including vacuum ion membrane), the color retention life of the product is extended by 3 times compared with conventional jewelry.
With 20 years of experience in stainless steel jewelry customization, we leverage implant-grade 316L material with under 0.02% nickel release to eliminate skin allergies—meeting REACH/RoHS compliance—while our CNC precision machining delivers ±0.03mm accuracy for complex geometries, cutting assembly rejection rates by 19%, and advanced PVD coating with 7-layer protection extends color retention life by over 4 times through 12,000+ salt-spray testing hours compared to standard electroplating processes.
Leveraging 20 years of silver jewelry expertise, we employ certified 925 sterling silver with nickel-free alloys to prevent skin irritation, while micron-level CNC machining ensures ±0.03mm structural precision and seamless joint welding, achieving 97% first-pass sample accuracy; our proprietary 7μ-thick oxidation-resistant alumina coating passes 600+ hours of accelerated tarnish testing—extending luster retention by 5X compared to standard silver plating, fully compliant with EU REACH/LFGB regulations.
With two decades of brass craftsmanship, we engineer ROHS-certified C26800 copper alloy with 27% zinc content for optimal structural integrity, implementing precision CNC lathe machining and argon-shielded laser welding to achieve 18% higher fracture resistance than stamped brass components, while our dual-phase PVD coating delivers >8,000-hour salt-spray resistance—extending color stability 6X longer than electroplating and exceeding EU REACH nickel migration limits by 300% safety margin.
We focus on providing customers with high-quality customized jewelry solutions. Our products cover a variety of materials such as brass and stainless steel to meet the needs of different brands and market positioning. Whether you pursue classic elegance or modern fashion, we can provide a customized solution that perfectly meets your expectations.
Copper-based parts: Provide jewelry-grade ductility, suitable for complex pattern stamping and curved surface modeling, and the unit weight cost can be reduced by 42%
Stainless steel parts: meet the environmental protection requirements of the European and American markets, 316L medical grade material supports 1200°C open flame welding precision control
Adopting non-nickel-based plating technology, it has passed the ISO 3160-2 body fluid simulation test, ensuring that the metal ion precipitation value on the surface directly contacting the skin is less than 0.2μg/cm²
Standard ROHS, REACH, and CE system control, compatible with ASTM F2923 children’s jewelry safety certification, and supports bilingual output of material traceability reports
Equipped with German Heraeus desensitized solder and 3D stress simulation system to ensure that the copper/steel/resin composite structure passes the 50N tensile force destructive test
Copper-based parts: Provide jewelry-grade ductility, suitable for complex pattern stamping and curved surface modeling, and the unit weight cost can be reduced by 42%
Stainless steel parts: meet the environmental protection requirements of the European and American markets, 316L medical grade material supports 1200°C open flame welding precision control
Adopting non-nickel-based plating technology, it has passed the ISO 3160-2 body fluid simulation test, ensuring that the metal ion precipitation value on the surface directly contacting the skin is less than 0.2μg/cm²
Standard ROHS, REACH, and CE system control, compatible with ASTM F2923 children’s jewelry safety certification, and supports bilingual output of material traceability reports
Equipped with German Heraeus desensitized solder and 3D stress simulation system to ensure that the copper/steel/resin composite structure passes the 50N tensile force destructive test
We focus on providing customers with high-quality customized jewelry solutions. Our products cover a variety of materials such as brass and stainless steel to meet the needs of different brands and market positioning. Whether you pursue classic elegance or modern fashion, we can provide a customized solution that perfectly meets your expectations.
We provide a full range of customized jewelry solutions for substrates, including high-quality brass, 304/316L medical stainless steel and other materials, and support the customized development of special alloys. The SH-YF metal pretreatment process can effectively improve the ductility and oxidation resistance of materials. All raw materials are tested for spectroscopy and ductility to ensure compliance with ASTM international standards.
Equipped with CNC engraving center and 3D printing equipment imported from Germany, with an accuracy of up to 0.02 mm , it supports complex processes such as three-dimensional relief and hollow engraving, and provides structural engineering optimization to eliminate production risks. The SH-JM digital modeling system can support rapid proofing of design drafts within 24 hours.
We have established a global supply and procurement network, and can provide customized solutions for more than 2,000 gemstones, including various gemstones and cubic zirconia. We have introduced precision inlay equipment to achieve a micro-inlay accuracy of 0.3mm. Each product has been optically screened to ensure that the color difference of the gemstone is less than 0.5 levels. The SH-XQ firmness test can achieve 300 tensile tests.
Our own electroplating factory is equipped with a variety of electroplating solutions such as vacuum plating and water plating. The nano-level plating is controllable. The SH-DD electroplating standard can increase the electroplating bonding strength by more than 30%. We also provide special process options such as laser plating and gradient plating . We are equipped with a coating thickness gauge for testing.
SH Mould Center can quickly develop specific clasps, chains and other jewelry accessories, with a stock of up to 9,000+ that can be called upon at any time. Customized special accessories can be produced and delivered within 7-14 days. And all auxiliary materials have passed the EU nickel release test
For e-commerce customers, making minor adjustments to the original design, such as adding your logo or brand logo, etc. We recommend this solution for customization of name necklace fonts, projection necklace films, etc.
