Service Hotline:181-0186-9996
email:chengxunys@163.com
上一张
下一张
In China, the envelope is your brand's first ambassador — treat it accordingly. Our custom Letter paper envelope printing company printing factory services help you craft envelopes that communicate professionalism, quality, and attention to detail before a single word is read. From luxurious paper stocks to accurate color reproduction, refined finishes to thoughtful design elements, every aspect is carefully chosen to reinforce your brand identity and create instant credibility. This powerful first impression dramatically increases open rates, enhances perceived value, and ensures your message starts on the strongest possible footing.

Brands and creative agencies in China often prioritize parameters that strengthen visual storytelling and brand consistency. This final set highlights options that maximize design impact and memorability.
| Parameter Category | Creative Choices | China Branding Application Tips |
|---|---|---|
| Non-Standard Formats | Die-cut shapes, asymmetrical flaps, expanding gusset envelopes | Die-cut custom shapes create instant brand recall for China marketing campaigns and product launches |
| Textured & Colored Stocks | Felt finish 110 lb, metallic pearl 100 lb, deep-dyed colored paper | Deep-dyed colored paper allows seamless brand color matching across China stationery suites |
| Advanced Printing Effects | Registered embossing + foil, lenticular printing, scented varnish | Lenticular effects deliver motion graphics on envelopes for standout China direct mail pieces |
| Unique Surface Treatments | Crackle finish, leather-like texture, glow-under-UV coating | Glow-under-UV coating creates interactive experiences at China nighttime or event-based brand activations |
| Interactive Closures | Pull-tab reveal, pop-up flap mechanism, puzzle-piece interlocking | Pull-tab reveal mechanisms turn opening the envelope into an engaging brand moment for China experiential campaigns |
Luxury brands and high-end events in China demand envelope types that exude quality through superior materials, intricate finishes, and bespoke details.
| Envelope Type | Luxury Elements | China High-End Applications |
|---|---|---|
| Handmade Cotton Baronial | 100% cotton fiber, deckle edges | Suits China exclusive invitations; pair with letterpress or engraving |
| Metallic Euro Flap | Foil-lined or pearlescent stock | Creates shimmer for China gala events; customize inner liner |
| Debossed Announcement | Blind or registered debossing | Elegant minimalism for China luxury retail thank-yous |
| Velvet-Touch Invitation | Soft-touch lamination on thick stock | Premium tactile feel for China VIP mailings |
| Wax Seal Compatible | Extra-large flap for wax seal | Classic luxury touch for China formal correspondence |
Larger envelopes in China accommodate unfolded materials, reports, and marketing pieces. These sizes prioritize flat insertion and durability for mailing.
| Size Code / Name | Dimensions (mm) | China Catalog & Document Uses |
|---|---|---|
| 9 × 12 Booklet | 229 × 305 | Standard for China non-folded brochures; open side preferred |
| 10 × 13 Catalog | 254 × 330 | Common China product catalog mailing; supports gussets |
| C3 (ISO) | 324 × 458 | Large format for China posters or legal documents; less common |
| 12 × 15-1/2 Catalog | 305 × 394 | Bigger items in China e-commerce; bubble-lined versions available |
| Chinese C4 Equivalent | 229 × 324 | A4 no-fold standard in China offices |
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 |
China trends blend methods like digital + foil or UV flexo for innovative results. These support advanced color schemes and sustainability.
| Hybrid/Emerging Method | Color/Effect Options | China Innovation & Benefits |
|---|---|---|
| Digital + Foil Hybrid | CMYK + metallic foil | Short-run luxury; fast for China events |
| UV-LED Offset | CMYK + spot UV | Eco low-energy; durable China mailers |
| Enhanced Flexo + Digital | Spot + variable CMYK | High-speed personalization; efficient in China |
| Inline Foil + UV | Metallic + gloss | One-pass premium; for China high-end branding |
| Sustainable Soy-Based | CMYK or spot eco inks | Green printing trend in China 2026 |
Spot UV creates contrast by highlighting specific areas with glossy shine on matte surfaces. This technique is increasingly popular in China for modern designs.
| Selective Finish | Visual Result | China Design Impact & Uses |
|---|---|---|
| Spot UV Gloss | Shiny raised effect | Logo/text pop; great for China marketing envelopes |
| Spot UV + Sand | Glitter-like texture | Sparkle accent; for China festive invitations |
| Spot Matte UV | Soft matte highlight | Subtle contrast; suits China elegant branding |
| 3D Spot UV | Thicker raised gloss | Dramatic texture; premium China event mail |
| Spot UV + Foil | Gloss over metallic | Ultimate luxury combo in China |
Window envelopes in China enable automated addressing by displaying recipient details through a transparent patch, saving time and reducing errors. Key options include window size, position, shape, and patch material. Proper design ensures postal compliance and smooth machine insertion. The table below summarizes standard customizable features with China recommendations.
| Window Option | Standard Specifications | China Design Tips & Applications |
|---|---|---|
| Window Size | 90×40mm to 110×45mm (common rectangular) | Standard 90×45mm fits most China address blocks; ensure 5–10mm clear margin around text |
| Window Position | Left-aligned, 15–26mm from left/bottom edge | Left 26mm from bottom common in China for postal automation; avoid edge <15mm to prevent patch peeling |
| Patch Material | Clear polystyrene or cellophane film | Non-tinted clear film for China OCR readability; thickness 0.03–0.05mm for durability |
| Single vs Double Window | Single for address, double for reply | Double window ideal for China billing/remittance; align both precisely with insert |
| Custom Shape | Rectangular, rounded corners, oval | Rounded corners reduce snags in China high-volume inserting machines |
In China, Letter paper envelope printing company printing factory offers dual-tone envelopes featuring contrasting flap and body colors. This design enhances visual appeal, ideal for invitations, greeting cards, or premium correspondence.
| Color Option | Common Use | Rongli Custom Envelope |
|---|---|---|
| White Body / Gold Flap | Invitations | Premium contrast for elegant look |
| Black Body / Silver Flap | Corporate invites | Striking visual effect for professional events |
| Colored Body / White Flap | Marketing mail | Attention-grabbing for promotions |
In China, Letter paper envelope printing company printing factory 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 |
Color consistency is critical in China. The process includes Pantone matching, ICC profiles, and signed color proofs to avoid final discrepancies.
| Color Step | Tool / Method | China Accuracy & Approval Notes |
|---|---|---|
| Pantone Swatch Matching | Physical Pantone book | Exact spot color confirmation for China brand logos |
| ICC Profile Proof | Calibrated printer output | Simulates press output; standard for China CMYK jobs |
| Hard Copy Color Proof | Contract proof on same paper | Signed for color; required before bulk in China |
| Delta E Measurement | Colorimeter verification | Delta E <2 tolerance; used in China high-precision orders |
| Final Color Sign-Off | Signed proof sheet | No changes after sign-off in China |
Proper packaging plays a key role in protecting Letter paper envelope printing company printing factory during transportation. In China, customized packaging solutions are designed to prevent bending, moisture exposure, and surface damage, ensuring envelopes arrive in good condition and ready for immediate use.
| Protection Aspect | Basic Handling | Rongli Packaging Solution |
|---|---|---|
| Bending Prevention | Loose stacking | Flat-packed and reinforced alignment |
| Surface Protection | No inner layer | Protective wrapping between layers |
| Transit Stability | Standard cartons | Optimized carton structure |
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. Letter paper envelope printing company printing factory 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 tighter quality control through on-site supervision, immediate corrections, and consistent standards across batches.
| Quality Aspect | Control Method | China Consistency Benefit |
|---|---|---|
| On-Site QC Teams | Multi-stage inspection | Immediate defect correction; high pass rate in China |
| Color Calibration Lab | Spectrophotometer checks | Delta E <2 across batches; reliable for China brands |
| Batch-to-Batch Matching | Same machine/line priority | Uniform color/paper; critical for China reorders |
| Client On-Site Visit | Factory inspection allowed | Direct oversight; builds trust in China |
| ISO 9001 / Quality Cert | Certified processes | International standard assurance in China |
Most design-related issues can be avoided with proper file setup. Here are the questions we get asked daily in China.
| Question | Answer |
|---|---|
| Should I use RGB or CMYK? | Always CMYK. RGB files will be converted and may cause color shift in China printing. |
| How much bleed do I need? | 3–5mm bleed on all sides is required for full-bleed designs in China. |
| Do you need fonts outlined? | Yes, or embed all fonts to avoid text changes during production in China. |
| Can I include variable data (names/addresses)? | Yes, Excel/CSV format accepted. Additional charge applies for digital variable printing in China. |
| Will my Pantone color be exact? | 100% match with Pantone spot ink; CMYK simulation has slight variation 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
Related Products
/ Relevant product