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Envelope

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Service Hotline:181-0186-9996

email:chengxunys@163.com

China Envelope printing line|Your narrative packaged with perfect composure
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China Envelope printing line|Your narrative packaged with perfect composure

Make your brand unforgettable from the very first touchpoint — the envelope. In China, our custom Envelope printing line solutions help you design packaging that reflects your brand's personality, values, and commitment to excellence. Premium materials, precise craftsmanship, elegant details, and endless customization possibilities combine to create envelopes that stand out immediately and build positive expectations. Whether you're sending corporate proposals, marketing campaigns, event invitations, or client thank-yous, a beautifully crafted envelope turns routine mail into a meaningful brand experience that recipients notice, appreciate, and remember long after delivery. In today's noisy world, this small but powerful upgrade can significantly improve response rates, strengthen brand perception, and create lasting positive associations.

| China Custom Envelope printing line Core Parameters Overview

In China's competitive printing market, mastering core parameters ensures envelopes meet both functional and aesthetic expectations. This selection emphasizes parameters ideal for high-volume automated mailing and compliance with postal regulations.

Parameter CategorySelected OptionsChina Local Application & Advice
Size & Format StandardsISO C6 (114×162mm), US #9 (3-7/8×8-7/8 in), Baronial 5-1/2 (111×146mm)C6 is widely used in China for greeting cards and small invitations; US #9 fits standard reply envelopes
Paper Stock & Weight24 lb bond, 70–100 lb text, 80–120 lb cover stock70–100 lb text strikes the best balance for China high-speed inserting machines without jamming
Color Printing OptionsGrayscale only, 2-color duotone, variable data full colorVariable data printing allows personalized elements, increasingly demanded by China direct mail marketers
Finishing & CoatingFlood UV varnish, anti-static treatment, security tint insideSecurity tint inside prevents show-through for China sensitive financial mailings
Sealing & Security FeaturesSecurity flap with tamper-evident seal, quick-stick latex, hook-and-loopTamper-evident seal is essential for China legal and banking correspondence requiring proof of unopened delivery

| China Specialty Custom Envelope Types

For unique projects in China, specialty envelope types provide endless customization potential, including non-standard shapes, interactive elements, and premium materials.

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Envelope TypeSpecial FeaturesChina Niche Applications & Options
Euro Flap InvitationCurved or deep flap, elegantHigh-end China weddings; customize with die-cut hearts or metallic
Expanding Gusset CatalogSide gussets for thicknessAccommodates China thick catalogs; add reinforced bottoms
Remittance Double WindowTwo windows for statement + replyStreamlines China payment processing; security tint standard
Plantable / Eco SpecialtySeed-embedded paperAppeals to China green brands; customize with embedded flowers
Die-Cut Custom ShapeIrregular outlines, branded formsStandout for China launches; full conversion from flat sheets

| China Window Envelope Size Specifications

Window envelopes in China save time on addressing and are optimized for machine readability. Sizes below include standard window placements and compatible content formats.

Size / TypeDimensions (mm)China Window Placement & Use
DL Window110 × 220Standard business window in China; left-side address view
#10 Window105 × 241US-style with poly window for China international mail
C5 Window162 × 229A5 documents in China; double-window options for reply
Remittance Double Window98 × 191 or 105 × 241Statement + reply visible; popular for China utilities billing
Chinese ZL Window120 × 230Local automated mail with precise 90×40mm window

| China Coated & Glossy Envelope Paper Materials

Coated papers in China deliver sharp, vibrant printing for visual-heavy envelopes. Weights balance flexibility and premium finish.

Paper TypeGSM RangeChina Print Quality & Application Notes
Gloss Coated Art105–157 GSMHigh shine, photo-like colors; great for China catalogs
Matte Coated100–148 GSMNon-reflective, elegant; popular for China corporate branding
Silk Coated115–170 GSMSoft sheen; balanced for China high-end invitations
Dull Coated100–130 GSMLow glare, professional; suits China annual reports
UV Coated120–200 GSMScratch-resistant for China durable mailers

| China Envelope printing line Full-Color Envelope Printing

Envelope printing line in China provides full-color printing for envelopes, enhancing visual appeal and branding. CMYK printing ensures accurate color reproduction, making your logos, designs, and promotional materials stand out professionally.

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Technique Standard Envelope Rongli Custom Envelope
CMYK Printing Basic color letters Accurate full-color reproduction for professional branding
Spot Color Single color Highlight brand colors for logo consistency
Digital Full-Color Limited print jobs Flexible, high-quality printing for small batches

| China Envelope printing line Slim Envelope Dimensions

Envelope printing line in China offers slim envelope sizes for mailing postcards, narrow brochures, or specialty letters. Slim formats are economical for postage and ideal for minimalistic presentation.

Size Common Use Rongli Custom Envelope
3.5" x 8" Postcards Efficient and lightweight for mailing
4" x 9" Letters or slim brochures Sleek envelope for professional correspondence
3" x 7" Special invitations Compact and stylish for events

| China Window Envelope Insert Compatibility & Testing

Design must account for insert movement to keep address visible. China best practices include mock-ups and tolerance checks.

Compatibility FactorGuidelineChina Testing & Prevention Tips
Insert Shift Tolerance±2–3mm maxTest full insert movement; avoid cutoff in China machines
Address Block Buffer≥5mm inside window edgesPrevents partial hiding; standard China automation rule
Paper Thickness MatchInsert 80–120gsm, envelope 100–140gsmBalanced rigidity; reduces jamming in China inserting
Mock-Up Folding TestSimulate final fold/insertEssential step; catch alignment issues early in China
Barcode Clear ZoneNo overlap with windowPostal compliance for China automated rates

| China Envelope printing line Pastel Envelope Colors

Envelope printing line in China provides pastel color options like soft pink, baby blue, and mint green. Pastel envelopes are perfect for wedding invitations, baby showers, and personal correspondence.

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Color Option Common Use Rongli Custom Envelope
Soft Pink Invitations Delicate and charming for special events
Baby Blue Greeting cards Soft and soothing appearance
Mint Green Personal mail Fresh, modern pastel tone

| China Envelope printing line Specialty Envelope Paper Options

In China, Envelope printing line offers specialty paper envelopes including vellum, handmade, and metallic papers. These unique materials elevate invitations, promotional mail, and luxury correspondence.

Material Common Use Rongli Custom Envelope
Vellum Paper Invitations Translucent and delicate appearance
Handmade Paper Luxury cards Unique texture for premium feel
Metallic Paper Special events Shiny finish for standout mailings

| China Rush & Expedited Proofing Process

For urgent orders in China, expedited proofing shortens timelines with priority handling and premium fees.

Rush LevelTimeline CompressionChina Availability & Extra Cost
Same-Day Digital Proof4–8 hoursPossible for simple jobs; premium fee in China
Next-Day Physical Sample24-hour turnaroundHandmade priority; surcharge 50–100% in China
48-Hour Full ApprovalDigital + hard proof fastCommon rush for China event deadlines
Express Color MatchOn-site Pantone checkFast calibration; extra charge for China urgent brands
Weekend RushSaturday/Sunday proofingDouble fee for China emergency orders

| China MOQ Differences: Digital vs Offset Envelope Printing

China offers two main production paths: digital for low MOQ/flexibility, offset for high volume/low unit cost. Choose based on quantity and budget.

Production MethodTypical MOQChina Quantity Suitability & Cost
Digital PrintingMOQ 50–200 pcsLow-volume, variable data; higher per-unit in China
Offset (Sheet-Fed)MOQ 500–1,000 pcsMedium runs; better unit price in China
Offset (Web/Flexo)MOQ 5,000+ pcsHigh volume; lowest cost for China bulk
Hybrid Digital-OffsetMOQ 300–1,000 pcsBridge option; growing in China for mid-size
Custom Setup FeeApplies to offsetAmortized over quantity in China larger orders

| China Size, Shape & Customization Complexity on Price

Non-standard sizes, custom dies, windows, gussets, or special flaps in China raise prices due to tooling, material waste, and production adjustments.

Customization TypeCost MultiplierChina 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

| China Envelope printing line Material Preparation Workflow

Correct material preparation is essential. Envelope printing line paper, coatings, and adhesives are prepared in China before production to ensure consistent quality and efficiency.

Material StepCommon PracticeRongli Approach
Paper SelectionManual sortingPre-defined stock control
Adhesive & CoatingOn-demandBatch pre-application planning
Quality CheckRandom samplingStandardized incoming QC

| China Envelope printing line Special Services Pricing

Extra services like gift wrapping, rush orders, or custom inserts may add to the final Envelope printing line price. In China, these are priced transparently.

Service TypeStandard CostRongli Offer
Rush OrdersHighFlexible scheduling minimizes extra cost
Gift WrappingOptionalBulk wrapping reduces unit cost
Custom InsertsVariableIntegrated during production

| China Envelope printing line Return & Exchange Policy

Rongli ensures transparent return and exchange policies for Envelope printing line in China, allowing clients to request replacements or corrections easily.

Policy AspectTypical PracticeRongli Advantage
Return Window3–5 daysUp to 14 days hassle-free returns
Exchange ProcessManualStreamlined online submission
Cost ResponsibilityCustomer paysFree replacement for production errors

"Good" packingRongli "Good" Packaging

Rongli Printing

01Convenient and practical functional design

Meet the core needs of consumers, easy to pack, store, and open, and increase the attractiveness of products

Rongli Printing

02Paper material selection is green and environmentally friendly

Selected paper materials, lightweight, foldable, recyclable, environmentally friendly, and odorless

Rongli Printing

03Exterior design helps with marketing

Match brand personality, align with product attributes, make the brand more recognizable, and create a charm from the outside in

Rongli Printing

04Exquisite craftsmanship makes it more eye-catching

Film coating UV、 Surface treatment processes such as hot stamping and pasting increase the high-end and exquisite quality of packaging boxes

Printing Quality AssuranceThe packaging quality is guaranteed

The packaging quality is guaranteed

The packaging quality is guaranteed

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