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We offer professional Postal envelope printing production printing services in China for envelopes used in office correspondence, marketing campaigns, and administrative purposes. Each envelope is designed to ensure secure handling, brand consistency, and professional presentation for all types of business mail.

Postal envelope printing production in China is not just a delivery tool—it is a medium to showcase brand identity. Custom envelopes allow companies to print logos, colors, and design elements that reinforce brand recognition. This solution is widely applied in corporate communication, marketing campaigns, and official correspondence where presenting a consistent brand image is essential.
| Feature | Generic Envelope | Rongli Custom Envelope |
|---|---|---|
| Brand Identity | Not highlighted | Full logo, color, and style customization |
| Professional Use | Limited application | Corporate communication and marketing |
| Visibility | Basic recognition | Enhances recognition and professional image |
With growing demand for green packaging in China, eco-customizable envelope types use recycled, plant-based, or biodegradable materials while maintaining professional quality and printability.
| Envelope Type | Sustainable Features | China Green Customization Notes |
|---|---|---|
| Recycled Kraft Commercial | 100% post-consumer recycled kraft | Popular for China eco-brands; natural brown tone customizable with soy inks |
| Plantable Seed Announcement | Embedded wildflower seeds | Ideal for China promotional giveaways; plant after use for brand memory |
| FSC-Certified Booklet | Forest Stewardship Council certified paper | Meets China corporate sustainability reports; supports full-color branding |
| Biodegradable Window | Compostable PLA window film | Reduces plastic use in China mail; customize window shape |
| Water-Soluble Closure Eco | Non-plastic gum, recyclable adhesive | Fully recyclable for China zero-waste initiatives |
Postal envelope printing production in China offers secure sealing options for sensitive or important documents. From gummed and self-adhesive seals to reinforced peel-and-seal closures, each option ensures envelopes remain securely closed during transit while maintaining a professional appearance.
| Closure Type | Typical Envelope | Rongli Custom Envelope |
|---|---|---|
| Gummed | Basic manual sealing | Pre-gummed with strong adhesive |
| Self-Adhesive | Simple peel and stick | Secure and easy application for business letters |
| Peel-and-Seal | Temporary seal | Reinforced for fast, reliable closure |
Postal envelope printing production in China includes environmentally friendly envelope materials such as recycled paper, kraft paper, and bamboo fiber sheets. These materials not only reduce environmental impact but also offer durability and a distinctive look for your mailings.
| Eco Material | Generic Envelope | Rongli Custom Envelope |
|---|---|---|
| Recycled Paper | Basic recycled paper | Durable, high-quality recycled stock |
| Kraft Paper | Standard brown paper | Strong texture with eco-friendly appeal |
| Bamboo Fiber | Not commonly used | Soft, sustainable, premium feel |
In China, Postal envelope printing production provides high-resolution printing options for envelopes, ensuring logos, images, and text are crisp and professional. Ideal for corporate branding, invitations, and marketing campaigns that require visual precision.
| Technique | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| High-Res Digital Printing | Regular print | Sharp details for logos and graphics |
| Offset High-Res | Standard print | Consistent quality for bulk production |
| UV Spot Printing | Flat ink | Raised ink effect for premium branding |
In China, Postal envelope printing production 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 |
In China, Postal envelope printing production provides magnetic closure envelopes for premium mailings. Magnets offer an elegant, secure, and reusable sealing method, perfect for invitations, luxury correspondence, or marketing materials.
| Closure Type | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| Magnetic Flap | Premium letters | Elegant and reusable secure closure |
| Magnetic Insert | Luxury invites | Stylish and durable for multiple openings |
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 |
China banks and financial institutions require high-security envelopes for statements, checks, and sensitive documents, with strict compliance on tamper evidence and privacy.
| Feature | Specification | China Financial Sector Requirement |
|---|---|---|
| Size | #10 with window or DL | Standard for monthly statements; window for address display |
| Material | 24 lb security paper | Anti-show-through tint; prevents content visibility |
| Security Features | Void tape, microtext, reactive ink | Tamper detection; mandatory for China regulatory compliance |
| Printing | Black + spot red/blue | Clear MICR compatibility for checks |
| Sealing | Permanent pressure seal or tamper-evident | Irreversible closure for China confidential mail |
For urgent orders in China, expedited proofing shortens timelines with priority handling and premium fees.
| Rush Level | Timeline Compression | China Availability & Extra Cost |
|---|---|---|
| Same-Day Digital Proof | 4–8 hours | Possible for simple jobs; premium fee in China |
| Next-Day Physical Sample | 24-hour turnaround | Handmade priority; surcharge 50–100% in China |
| 48-Hour Full Approval | Digital + hard proof fast | Common rush for China event deadlines |
| Express Color Match | On-site Pantone check | Fast calibration; extra charge for China urgent brands |
| Weekend Rush | Saturday/Sunday proofing | Double fee for China emergency orders |
Paper products are sensitive to humidity. Postal envelope printing production packaging in China includes moisture-resistant measures to reduce the risk of paper deformation, ink bleeding, or adhesive failure during long-distance shipping.
| Risk Factor | General Solution | Rongli Protection Method |
|---|---|---|
| Humidity Exposure | No protection | Moisture-resistant inner wrapping |
| Ink Stability | Natural drying only | Controlled drying before packing |
| Paper Curling | Uncontrolled | Flat stacking with separators |
Quantity is the single biggest price driver in China. Larger runs spread fixed costs (plates, setup, testing) across more units, creating steep tiered discounts.
| Quantity Tier | Unit Price Trend | China Cost Reduction Example |
|---|---|---|
| 500–1,000 pcs | High unit price | Baseline for small runs in China |
| 1,000–5,000 pcs | 20–35% lower | Common sweet spot for China SMEs |
| 5,000–20,000 pcs | 35–50% savings | Corporate volume pricing in China |
| 20,000+ pcs | 50%+ reduction | Best rates for China banks & e-commerce |
| Annual Contract | Locked progressive discount | Up to 60% off list for China repeat clients |
Rush orders in China compress timelines significantly but require higher MOQ, surcharges, and priority scheduling. Availability depends on current capacity.
| Rush Level | Total Lead Time | China Surcharge & Conditions |
|---|---|---|
| Standard (7–12 days) | Normal | No extra fee; baseline in China |
| Express (5–7 days) | Shortened | 30–50% surcharge; MOQ 1,000+ in China |
| Super Rush (3–5 days) | Highly compressed | 50–100% extra; limited slots in China |
| Same-Week (digital only) | 2–4 days | Digital short-run; higher unit price in China |
| Weekend/Emergency | 1–3 days | Double surcharge; rare availability in China |
Many local factories in China hold FSC certification, use eco-inks, and implement waste reduction—appealing to green-conscious brands and meeting local regulations.
| Sustainability Feature | Implementation | China Green Advantage |
|---|---|---|
| FSC-Certified Paper | Chain-of-custody certified | Traceable sustainable source; preferred in China |
| Soy-Based / Water-Based Inks | Low-VOC eco inks | Reduced emissions; for China eco-brands |
| Waste Recycling System | Paper/plastic reuse | Lower environmental impact; cost savings passed on in China |
| Energy-Efficient Machines | LED-UV curing | Lower power use; green production in China |
| Carbon Footprint Reduction | Local sourcing & delivery | Minimal transport emissions advantage in China |
Choosing the right paper and finish is crucial. Here are the most common material questions we receive in China.
| Question | Answer |
|---|---|
| Which paper is most popular? | 120–140gsm white kraft for durability; 100–120gsm coated for vibrant printing in China. |
| Can I print full color on kraft paper? | Yes, white ink underlay + CMYK gives excellent results on kraft in China. |
| Is foil stamping expensive? | Yes, adds ¥0.3–1.0 per piece depending on area, but creates premium look loved in China. |
| Will lamination make it non-recyclable? | Standard film lamination no; we offer recyclable mono-material film in China. |
| Can I have inside printing? | Yes, inside printing available (extra cost) for security tint or branding in China. |
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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