Velvet hinged ring box with automatic LED spotlight and N52 magnetic closure — manufactured by Guangdong Bincai Color Printing Co., Ltd., a full-chain packaging enterprise with 22 years of experience (founded 2003). The compact hinged design opens to reveal a die-cut velvet ring slot illuminated by a warm-white LED spotlight that activates automatically when the lid is raised. Built with precision N52 neodymium magnets for a satisfying snap-shut closure. Daily output of 1.7 million boxes from our 18,000 sqm factory (10,000+8,000 sqm smart factory, 2025 expansion) in Foshan, Pearl River Delta.
Applications
- Engagement ring and wedding band presentation
- Fine jewelry retail counter display
- Online jewelry brand premium unboxing experience
- Proposal box with dramatic LED reveal moment
- Anniversary and milestone gift packaging
- Luxury ring set presentation with single-ring focus
Customization Options
- Die-cut velvet ring slot: single ring, dual ring, or ring + pendant combo
- Velvet colors: classic black, midnight navy, burgundy wine, ivory cream, charcoal grey, custom Pantone
- LED colors: warm white (3000K), cool white (6000K), or amber (2700K)
- Exterior finishes: smooth PU leatherette, linen texture, matte paper wrap, crocodile-embossed leatherette
- Exterior colors: 30+ options including matte black, navy, burgundy, ivory, blush pink, sage green
- Hot foil stamping on lid exterior: gold, silver, rose gold, copper, holographic
- Debossed or embossed logo with raised tactile effect on lid top
- Satin ribbon pull tab color-matched to interior velvet
- Battery type: CR2032 coin cell or LR44 button cell with slide-out tray for easy replacement
- Custom sizes: compact 50×50×35mm to large 120×80×50mm
- Optional satin or microfiber inner lid lining with printed message
Production Specifications
| Specification | Detail |
|---|
| Press | KBA Rapida 105 4-color + Heidelberg CD 102 7+1 UV |
| Die-Cutting | Bobst SP 102 BMA/E (±0.1mm precision) |
| Magnet Type | N52 Neodymium (≥2.5 kg pull force, 10,000+ cycle tested) |
| Velvet Pile | 1.0–1.5mm electrostatic flocking |
| LED Activation | Auto-switch on lid open, auto-off on lid close |
| Battery Life | 500+ open/close cycles (CR2032) |
| Foil Stamping | Kolbus DA 270 with 0.1mm registration |
| Interior Flocking | Full electrostatic flocking with 6-axis robotic applicator |
| Daily Output | 1.7M color boxes + 220K+ rigid gift boxes |
| Lead Time | 25–35 days (sample: 5–7 days) |
Quality Details
| QC Gate | Standard | Test Method |
|---|
| Magnet Pull Force | ≥2.5 kg | Spring gauge, 10,000-cycle durability |
| LED Functionality | 100% activation test | Automated light sensor on assembly line |
| Hinge Durability | 5,000+ cycles | Mechanical cycle tester |
| Velvet Adhesion | Grade 5 (no detachment) | ISO 2409 cross-cut tape test |
| Foil Registration | Δ ≤ 0.1mm | Optical comparator |
| Lid Alignment | Gap ≤ 0.3mm all sides | Digital caliper, AQL 1.0 sampling |
| Exterior Scratch | No visible scratch under 1000 lux | Visual inspection, AQL 1.0 |
| Final Assembly | Full function test | 100% inspection, AQL 0.65 critical defects |
Sustainability & Environmental Responsibility
| Aspect | Bincai Initiative |
|---|
| Paper Sourcing | FSC-C147399 Chain-of-Custody certified |
| Greyboard | 100% recycled post-consumer fiber content |
| Inks | Soy-based, VOC-free, REACH compliant |
| Adhesives | Water-based, solvent-free, EuPIA compliant |
| Energy | 480 kWp rooftop solar array, LED-UV curing (70% energy savings) |
| Waste | 94% recovery rate, closed-loop recycling for paper offcuts |
| Packaging | Flat-packed for 60%+ shipping volume reduction |
| End-of-Life | Fully recyclable paper components; remove battery before recycling |
Why Choose Bincai for Jewelry Packaging
| Feature | Bincai | Industry Average |
|---|
| Experience | 22 years (since 2003) | 5–8 years |
| Factory Size | 18,000 sqm dual-factory | 3,000–5,000 sqm |
| Daily Output | 1.7M boxes | 100K–300K |
| Certifications | ISO 9001, FSC, CPSIA, SGS | ISO 9001 only |
| Press Fleet | KBA Rapida 105 + Heidelberg CD 102 7+1 UV | Single conventional press |
| Free Samples | 3D rendering + physical prototype | Digital mockup only |
| MOQ | 300 units | 1,000–5,000 |
| In-House Lab | X-Rite IntelliTrax, BYK, tensile tester | Outsourced |
| Lead Time | 25–35 days | 45–60 days |
