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Fixed hotline：021-66317519
Service Hotline：181-0186-9996
Fixed hotline：021-66317519
Service Hotline：181-0186-9996
Service Hotline：181-0186-9996
email：chengxunys@163.com
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The envelope is your brand's silent salesperson — make it work for you. Our custom B6 envelope printing services help you craft packaging that communicates quality and professionalism instantly. Premium stocks, precise printing, elegant details, and thoughtful finishes combine to make your envelopes stand out and build credibility. Custom B6 envelope printing improves response rates and perceived value.
Understanding core parameters helps China businesses avoid common pitfalls such as poor print registration, weak seams or incompatible mailing sizes. This overview highlights parameters optimized for reliability and cost-efficiency in local printing environments.
| Parameter Category | Available Options | China Usage Insights & Tips |
|---|---|---|
| Standard Sizes | #10 (241×105mm), 6×9 catalog, A5 wallet (162×114mm), custom window placement | #10 is widely accepted for China standard business correspondence; custom windows reduce addressing labor |
| Substrate & Thickness | 90–110g bond, 130g art paper, 100% recycled 120g, duplex board 250g | 100% recycled 120g meets growing China sustainability requirements without sacrificing print quality |
| Ink & Color Approach | Black + 1 PMS, eco-friendly soy-based CMYK, metallic ink accents | Soy-based inks reduce environmental impact and are increasingly requested by China green-certified companies |
| Protective & Decorative Finishes | Aqueous coating, varnish, foil accent on flap only, micro-embossing | Aqueous coating provides scuff resistance for China frequent-handled corporate envelopes |
| Sealing Mechanism | Double-sided tape liner, water-based gum, press-to-seal adhesive | Press-to-seal adhesive is favored in China for fast machine insertion and reliable closure |
In China, B6 envelope printing provides professional envelope shapes to fit different document types. Rectangular envelopes are standard for official letters, square envelopes suit invitations or cards, and booklet envelopes are ideal for reports or multi-page communications. Choosing the right shape enhances usability and maintains a professional image.
| Envelope Shape | Generic Envelope | Rongli Custom Envelope |
|---|---|---|
| Rectangular | Official letters | Custom layout and branding for professional use |
| Square | Invitations | Premium style for events or marketing |
| Booklet | Manuals | Optimized for multi-page content |
Event stationery in China often uses square or announcement sizes for aesthetic appeal. These specifications allow for luxurious stocks and custom flaps while meeting postal requirements.
| Size / Format | Dimensions (mm / in) | China Event & Invitation Notes |
|---|---|---|
| A2 Announcement | 111 × 146 (4-3/8 × 5-3/4 in) | Standard greeting card size in China; fits A1 inserts |
| A7 Invitation | 133 × 184 (5-1/4 × 7-1/4 in) | Popular for China weddings and formal events; supports Euro flaps |
| 5.5 × 5.5 Square | 140 × 140 | Modern square invitations in China; note extra postage for non-rectangular |
| 6 × 6 Square | 152 × 152 | Larger square format for China save-the-dates; elegant with liners |
| Chinese 16K Invitation | 120 × 155 | Local mid-size invitation in China; traditional feel |
Selecting the right paper material and weight for custom envelopes in China impacts durability, print quality, and cost. Common options range from lightweight bond to heavy kraft, with GSM as the global standard. This table covers popular materials with recommended weights and China applications.
| Material Type | Weight Range (GSM) | China Characteristics & Uses |
|---|---|---|
| Kraft Paper | 80–140 GSM | Natural brown, tear-resistant; ideal for China e-commerce and protective mailing |
| Coated Art Paper | 100–157 GSM | Smooth, vibrant print surface; great for China branded promotional envelopes |
| Recycled Bond | 80–120 GSM | Eco-friendly, matte finish; suits China sustainable office correspondence |
| Text Weight Offset | 90–120 GSM | Standard writable paper; common for China everyday business letters |
| Laid/Textured Paper | 100–130 GSM | Premium feel with watermark; elegant for China invitations |
B6 envelope printing in China offers specialty color printing techniques including metallic inks, spot colors, and gradient effects. These techniques enhance envelope aesthetics and branding impact, making your mailings visually striking.
| Technique | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| Metallic Ink | Regular inks | Shiny metallic highlights for premium look |
| Spot Color | Standard color | Emphasize key design elements with exact color |
| Gradient Effects | Flat color | Smooth color transitions for modern design |
In China, B6 envelope printing supports international standard envelope sizes to meet global mailing requirements. ISO sizes ensure compatibility with international postage, mailing equipment, and document formats.
| Size | Typical Use | Rongli Custom Envelope |
|---|---|---|
| C4 (9" x 12.75") | A4 sheets unfolded | Fits international documents flat |
| C6 (4.5" x 6.5") | Invitations | Standardized for global mailing |
| DL (4.3" x 8.7") | Business letters | Popular format for international correspondence |
Precise positioning ensures envelopes process smoothly through China postal and inserting machines. Follow these guidelines to avoid jams or rejects.
| Position Parameter | Recommended Distance | China Automation & Postal Notes |
|---|---|---|
| From Bottom Edge | 12–15mm minimum, 5/8" (15.9mm) standard | Matches China postal barcode clear zone requirements |
| From Left Edge | 20–26mm (left-aligned) | Standard left placement for China address reading |
| Clear Zone Buffer | ≥1/8" (3mm) around address block | Prevents cutoff when insert shifts; critical for China high-speed lines |
| Vertical Alignment | Centered or top-aligned to insert | Test full movement range in China inserting trials |
| Right-Side Window Option | Mirrored placement | For right-flap envelopes in China special designs |
Luxury and gift envelopes in China emphasize elegance, ease of opening, and aesthetic appeal in closures.
| Luxury Closure | Design Element | China Aesthetic & Functional Notes |
|---|---|---|
| Ribbon Tie | Silk/satin ribbon bow | Handcrafted luxury; perfect for China wedding invitations |
| Wax Seal Compatible Flap | Extra-large flap area | Traditional elegance; for China formal events |
| Magnetic Hidden Closure | Invisible magnets | Sleek, no hardware visible; premium China gift packaging |
| Velcro Dot (Premium Fabric) | Soft fabric hook-loop | Reusable luxury; suits China high-end retail mailers |
| Interlocking Flap with Seal | Decorative tab lock | Elegant without adhesive for China invitations |
In China, corporate and office environments demand professional, reliable envelopes for daily correspondence, invoices, and contracts. Emphasis is on brand consistency, security, and compatibility with inserting machines.
| Envelope Feature | Recommended Specification | China Corporate Application & Benefit |
|---|---|---|
| Size | DL / #10 / C5 | Standard business letter sizes; fits A4 tri-fold documents |
| Material | 100–120gsm white bond or coated | Professional appearance; good for CMYK logo printing |
| Printing | CMYK + Pantone spot for logo | Brand color accuracy; essential for China multi-branch companies |
| Security | Security tint interior | Prevents show-through for contracts and invoices |
| Sealing | Peel-and-seal or latex self-seal | Fast automated sealing for China high-volume office mail |
Proper folding and secure gluing are essential to envelope usability. In China, B6 envelope printing inspection includes edge alignment, glue strength, and sealing consistency to ensure smooth machine or manual insertion.
| Assembly Point | Basic Control | Rongli Inspection Level |
|---|---|---|
| Fold Alignment | Visual check | Precision fold tolerance |
| Glue Coverage | Random sampling | Full-line glue consistency check |
| Seal Strength | Manual test | Standardized adhesion testing |
China clients with large annual needs often split orders or phase production to manage cash flow, inventory, and design updates while securing bulk pricing.
| Strategy | Quantity Approach | China Benefits & Considerations |
|---|---|---|
| Annual Contract + Releases | 50,000 total, 5,000/month | Locked bulk rate; flexible delivery in China |
| Phased Production | 10,000 initial, 5,000 follow-ups | Test market before full run; common in China |
| Inventory Storage Split | 20,000 total, stored/released | Reduces warehouse cost; available in China |
| Design Update Mid-Contract | Batch 1–3: old, Batch 4+: new | Allows rebranding; no full MOQ reset in China |
| Seasonal Split | High in Q4, low in Q2 | Matches demand for China event/retail clients |
Non-standard sizes, custom dies, windows, gussets, or special flaps in China raise prices due to tooling, material waste, and production adjustments.
| Customization Type | Cost Multiplier | China Reason & Typical Range |
|---|---|---|
| Standard Size (DL/C5/#10) | Base (1x) | No extra tooling; most economical in China |
| Custom Window Placement | +5–15% | Die adjustment; common in China |
| Die-Cut Shape / Irregular | +20–50% | Custom die cost; amortized over quantity in China |
| Gusseted / Expandable | +15–30% | Extra forming & sealing; for China thick content |
| Complex Multi-Feature | +50–100%+ | Combined tooling & waste in China |
Final review ensures no defects reach the customer. B6 envelope printing orders in China undergo a post-production check before handover to logistics for delivery.
| Review Factor | General Practice | Rongli Advantage |
|---|---|---|
| Quality Confirmation | Random check | Full batch inspection |
| Packaging Integrity | Basic | Verified for shipping readiness |
| Handover Documentation | Minimal | Complete digital record |
Local factories in China provide superior after-sales support, including quick reprints for defects, file archiving, and ongoing consultation—building long-term partnerships.
| After-Sales Service | Response Time | China Support Benefit |
|---|---|---|
| Defect Reprinting | 3–7 days free redo | Quality guarantee; no extra shipping in China |
| File Archiving | Free storage 1–3 years | Easy reorders; saves redesign cost in China |
| Technical Consultation | Ongoing advice | Material/工艺建议; improves future orders in China |
| Local Pickup for Returns | Same-day collection | Hassle-free; client-friendly in China |
| Dedicated Account Manager | Personal contact | Priority handling for China repeat clients |
Rongli provides expert maintenance guidance for B6 envelope printing in China, helping clients extend product lifespan and maintain functionality.
| Maintenance Type | Standard Info | Rongli Support |
|---|---|---|
| Cleaning & Handling | Basic manual | Step-by-step digital guide |
| Periodic Checkups | Ad-hoc | Scheduled reminders & guidance |
| Troubleshooting | Reactive | 24/7 support hotline |
Meet the core needs of consumers, easy to pack, store, and open, and increase the attractiveness of products
Selected paper materials, lightweight, foldable, recyclable, environmentally friendly, and odorless
Match brand personality, align with product attributes, make the brand more recognizable, and create a charm from the outside in
Film coating UV、 Surface treatment processes such as hot stamping and pasting increase the high-end and exquisite quality of packaging boxes
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Fixed hotline：+86-021-66317519
Service Hotline：181-0186-9996
email address：chengxunys@163.com
Address: Floors 1-5, Building 30, Lane 2, Suide Road, Putuo District, Shanghai
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