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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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Your brand's story begins at the mailbox — start it right. Our custom C4 envelope printing solutions help you craft envelopes that feel intentional and premium. High-quality materials provide a substantial feel, accurate printing ensures consistency, and elegant finishes create intrigue. Custom envelopes help you stand out and increase engagement.
Choosing the right core parameters is the foundation of high-quality custom envelope production in China. These decisions affect everything from structural integrity and visual appeal to postage compatibility and final cost. This group focuses on frequently selected combinations suitable for mid-to-high volume business and promotional use in China.
| Parameter Category | Popular Choices | China Practical Notes & Suggestions |
|---|---|---|
| Envelope Format & Orientation | Landscape DL, Portrait C5, Square 160×160mm, Monarch (191×98mm) | Landscape DL remains the top choice for China corporate mailers; Square format gains popularity for creative invitations |
| Paper Type & GSM | 100–130g textured laid paper, 110–140g FSC-certified kraft, 120g silk-coated | Textured laid paper gives a sophisticated feel for China professional services; FSC kraft appeals to eco-conscious brands |
| Color Printing Method | 1–2 spot colors, 4-color process + 1 spot, digital full-color short run | Digital full-color is ideal for China small-to-medium branded runs with fast turnaround |
| Finishing Techniques | Soft-touch lamination, blind embossing, edge painting, spot gloss UV | Soft-touch lamination + blind embossing creates a luxury tactile experience popular in China luxury retail envelopes |
| Closure Style | Remoistenable gum, latex seal, clasp closure, magnetic closure | Latex seal offers clean, quick sealing for China high-volume mailing; magnetic closure suits premium gift packaging |
From standard business mail to standout event stationery, China customizable envelope types offer flexibility in design and function. Key customizations include windows, tints, and unique closures to match branding or occasion.
| Envelope Type | Distinctive Traits | China Customization & Use Cases |
|---|---|---|
| Commercial Window | Pre-cut address window, peel-and-seal | Streamlines China automated mailing; customize window size and position |
| Baronial Invitation | Deep pointed flap, formal diagonal seams | Classic for China weddings; add embossing or foil for luxury |
| Booklet with Gusset | Expandable sides, open side | Handles bulky China documents; customize gusset depth |
| Coin / Small Specialty | Tiny sizes, center seam | Useful for China tokens or samples; full-color printing available |
| Direct Mail Postcard-Style | Self-mailer with tear-off reply | Efficient for China campaigns; add perforations and reply panels |
China offices and enterprises prefer sizes that align with document formats and automated inserting equipment. Below are key specifications with tolerances and practical recommendations for local printing.
| Size Designation | Exact Size (mm) | China Business Applications & Tolerance |
|---|---|---|
| ZL (Chinese Standard) | 120 × 230 | Slightly longer than DL for China notices; ±1mm tolerance common |
| #9 Reply Envelope | 98 × 191 | Fits inside #10 for China remittance and reply mail; precise fit required |
| Monarch | 98 × 191 | Executive correspondence in China; elegant for thank-you notes |
| 6 × 9 Booklet | 152 × 229 | Brochures and pamphlets in China; supports full-bleed designs |
| C6 (ISO) | 114 × 162 | Small greetings & invitations in China; compact and cost-effective |
Heavier papers in China provide rigidity and premium feel for important mailings. These weights suit protective or luxury applications.
| Paper Type | GSM Range | China Strength & Premium Uses |
|---|---|---|
| Heavy Cover Stock | 200–300 GSM | Rigid for China card enclosures or rigid mailers |
| Thick Kraft Board | 250–350 GSM | Extra durable; ideal for China industrial shipping |
| Art Card | 210–350 GSM | High-quality print; for China luxury invitation covers |
| Duplex Board | 250–400 GSM | White/grey layers; strong for China protective envelopes |
| Cardstock Kraft | 200–300 GSM | Premium rigid feel in China branding |
In China, C4 envelope printing offers printing techniques optimized for fast turnaround. Digital printing and short-run offset printing enable rapid production while maintaining quality, suitable for urgent mailings and limited-time campaigns.
| Technique | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| Digital Printing | Standard print | Quick setup and fast delivery |
| Short-Run Offset | Long setup time | Efficient for smaller batches without quality loss |
| Express UV Coating | Standard coating | Fast-drying protective finish |
Protective coatings in China make envelopes resistant to moisture, oils, and wear—ideal for shipping or outdoor use. These maintain print quality while adding longevity.
| Protective Coating | Resistance Level | China Durability Applications |
|---|---|---|
| Water-Repellent Aqueous | Light moisture resistance | Everyday protection; for China humid climate mail |
| UV Varnish Flood | High scratch/moisture resistance | Durable glossy seal; suits China shipping envelopes |
| Poly Lamination | Waterproof film | Full weatherproofing; for China outdoor or export mail |
| Anti-Static Coating | Reduces dust attraction | Clean handling; useful in China cleanroom or tech sectors |
| Grease-Resistant Coating | Oil barrier | Food/sample protection in China specialty mail |
In China, C4 envelope printing offers envelopes with standard gummed closure. Moisture-activated adhesive provides secure sealing for letters, invoices, and business correspondence while maintaining a classic look.
| Closure Type | Common Use | Rongli Custom Envelope |
|---|---|---|
| Gummed Seal | Business letters | Reliable and professional sealing |
| Moisture Activated | Standard correspondence | Easy to seal while maintaining envelope integrity |
C4 envelope printing in China offers custom Pantone color matching for envelopes. This allows brands to achieve exact color representation for logos, marketing materials, and corporate correspondence.
| Color Option | Common Use | Rongli Custom Envelope |
|---|---|---|
| Brand-Specific Pantone | Corporate mail | Exact brand color reproduction |
| Custom Matching | Promotional mail | Ensures consistent visual identity |
| Pantone Gradient | Luxury invitations | Smooth gradient for premium aesthetics |
Law firms in China need archival-quality, secure envelopes for court documents, contracts, and client correspondence.
| Aspect | Recommended Spec | China Legal Sector Benefit |
|---|---|---|
| Size | Legal 9.5×15 / C4 | No-fold for full legal sheets; standard court sizes |
| Material | Acid-free 24 lb cotton bond | Long-term preservation; meets China archival needs |
| Security | Microtext + tamper-evident | Prevents alteration; essential for China legal mail |
| Printing | Black single color + firm logo | Professional and legible; low-cost for volume |
| Sealing | Security gum + slits | Visible tamper evidence for China court filings |
Revisions in China are common during proofing. Clear communication and version control minimize delays and extra costs.
| Revision Stage | Process Detail | China Timeline & Cost Notes |
|---|---|---|
| Round 1 Feedback | Client marks on PDF/sample | 1–2 days; usually free minor changes in China |
| Round 2–3 Revisions | Updated proof issued | 1 day per round; free for design errors |
| Major Content Change | Text/image redesign | May incur fee; after initial approval in China |
| Version Control | Named files (v1, v2, final) | Prevents confusion; standard China practice |
| Final Revision Lock | No changes post-sign-off | Protects production schedule in China |
Larger quantities in China unlock tiered discounts through plate amortization, material efficiency, and production scale. Ideal for recurring corporate or promotional needs.
| Order Quantity | Discount Level | China Savings & Typical Clients |
|---|---|---|
| 1,000–3,000 pcs | 10–20% off | Medium businesses; China office stationery |
| 3,000–10,000 pcs | 25–35% off | Corporate contracts; strong savings in China |
| 10,000–50,000 pcs | 35–50% off | Large campaigns; China marketing agencies |
| 50,000+ pcs | 50%+ off | Annual contracts; best rates for China banks/government |
| Annual Framework | Progressive discount | Locked pricing for China repeat high-volume clients |
Logistics risks can affect delivery reliability. C4 envelope printing shipments from China consider potential delays, handling risks, and route conditions when selecting logistics solutions.
| Risk Type | Common Issue | Rongli Mitigation Strategy |
|---|---|---|
| Transit Delay | Unpredictable routes | Buffer time planning |
| Handling Damage | Multiple transfers | Optimized carrier selection |
| Schedule Changes | Late notice | Advance coordination |
From initial inquiry to final delivery in China, the entire process usually spans 10–25 days, depending on proofing rounds, production complexity, and shipping.
| Project Phase | Typical Duration | China Cumulative Timeline & Tips |
|---|---|---|
| Inquiry → Quote | 1 day | Fast response; start clock in China |
| Design & Proofing Rounds | 3–10 days | Client speed major variable in China |
| Production Cycle | 5–12 days | Core manufacturing; buffer included in China |
| QC & Packaging | 1–3 days | Final assurance; non-negotiable in China |
| Delivery to Client | 1–5 days | Total 10–30 days end-to-end in China |
Shipping and packaging are key cost components. In China, C4 envelope printing packaging method and delivery choice influence final pricing.
| Cost Component | Industry Average | Rongli Advantage |
|---|---|---|
| Protective Packaging | Standard | Optimized materials reduce cost |
| Shipping | Courier average | Negotiated rates with multiple carriers |
| Handling & Documentation | Basic | Integrated labeling & tracking |
Questions about adding foil, embossing, lamination, UV, etc., and their impact.
| Question | Answer |
|---|---|
| Can I add foil stamping? | Yes, gold/silver/holographic; MOQ 500–1,000 pcs recommended. |
| What is soft-touch lamination? | Velvet-like matte film; adds luxury feel and fingerprint resistance. |
| Does embossing increase cost? | Yes, +20–40%; requires heavier paper (≥200gsm). |
| Can I do spot UV on kraft paper? | Yes, but best on coated stocks; adds glossy highlights. |
| How many finishes can I combine? | Up to 3–4 (e.g., foil + emboss + spot UV); each adds cost and time. |
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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