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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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China Envelope printing grams printing services offer tailored envelope solutions for corporate communications, office use, and marketing campaigns. Every envelope is crafted to meet high standards of quality, visual appeal, and durability. With China Envelope printing grams envelope production, businesses can manage daily correspondence, confidential documents, and promotional mail with efficiency and precision, ensuring consistent delivery, strong brand presentation, and reliable professional mail handling.
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 |
Envelope printing grams in China offers several envelope shape options tailored to specific business applications. Rectangular envelopes are standard for letters, square envelopes are perfect for premium invitations, and booklet envelopes suit reports and brochures. Customization allows each shape to meet practical and branding requirements.
| Shape Option | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| Rectangular | Standard letters | Custom dimensions and branding for each document |
| Square | Occasional events | Elegant design for invitations or marketing |
| Booklet | Reports or manuals | Optimized layout for multi-page inserts |
Understanding size tolerances and postal rules in China prevents returns and extra fees. This table summarizes key sizes with acceptable variations and mailing notes.
| Size Category | Nominal Size (mm) | China Tolerance & Postal Tips |
|---|---|---|
| Standard DL / ZL | 110–120 × 220–230 | ±1–1.5mm tolerance; auto-sorting friendly in China |
| ISO C Series | C5: 162×229, C4: 229×324 | Strict ±2mm; international postage compliant |
| US Commercial #10 | 105 × 241 | ±1mm ideal; China cross-border mail standard |
| Square Formats | 140–160 square | Non-machinable surcharge possible in China; check local rules |
| Large Catalog | 250+ × 300+ | Oversize rates apply; reinforce for China transit |
Coated papers in China deliver sharp, vibrant printing for visual-heavy envelopes. Weights balance flexibility and premium finish.
| Paper Type | GSM Range | China Print Quality & Application Notes |
|---|---|---|
| Gloss Coated Art | 105–157 GSM | High shine, photo-like colors; great for China catalogs |
| Matte Coated | 100–148 GSM | Non-reflective, elegant; popular for China corporate branding |
| Silk Coated | 115–170 GSM | Soft sheen; balanced for China high-end invitations |
| Dull Coated | 100–130 GSM | Low glare, professional; suits China annual reports |
| UV Coated | 120–200 GSM | Scratch-resistant for China durable mailers |
Color accuracy is crucial in China branding. CMYK offers versatility for photos and gradients, while Pantone spot ensures exact matches for logos. This table compares schemes with compatible printing methods.
| Color Scheme | Compatible Methods | China Pros & Recommended Uses |
|---|---|---|
| CMYK Process | Offset, digital, enhanced flexo | Full-color images and gradients; great for China promotional envelopes |
| Pantone Spot | Offset, flexo, screen | Precise brand colors; essential for China corporate identity |
| CMYK + Pantone Hybrid | Offset with spot stations | Rich colors + exact match; popular in China multi-color branding |
| Metallic Pantone | Offset or foil-assisted | Shiny effects; elevates China luxury event mail |
| Gradient Blends | Digital or offset | Smooth transitions for modern China designs |
In China, Envelope printing grams offers standard envelope sizes commonly used for letters, invoices, and documents. These sizes ensure compatibility with office printers and mailing regulations, providing a professional and consistent appearance.
| Size | Common Use | Rongli Custom Envelope |
|---|---|---|
| #10 (4.125" x 9.5") | Business letters | Fits standard A4 folded letters perfectly |
| A2 (4.375" x 5.75") | Invitations or greeting cards | Compact and elegant for personal use |
| C5 (6.375" x 9") | Brochures or flyers | Ideal for folded A5 documents |
Window envelopes in China can incorporate security to protect sensitive info while allowing address visibility.
| Security Element | Implementation | China Protection & Application |
|---|---|---|
| Security Tint Interior | Patterned blue/red inside | Hides contents from side view; standard for China confidential mail |
| Tinted Window Film | Slight tint on patch | Reduces glare while maintaining visibility; for China banking |
| Tamper-Evident Patch | Void on peel attempt | Indicates opening; used in China high-security envelopes |
| Micro-Perforated Window | Easy-tear patch | Controlled access; niche for China promo with privacy |
| UV-Reactive Fibers in Patch | Hidden authentication | Anti-counterfeit for China official documents |
Easy-open features improve recipient experience in China, especially for promotional or survey mail that requires quick access.
| Easy-Open Feature | Mechanism | China User Experience & Uses |
|---|---|---|
| Easy-Tear Strip | Perforated pull-tab | Quick open without tools; popular for China direct mail |
| Zip-Open Strip | Plastic zipper tear line | Smooth opening; suits China e-commerce return envelopes |
| Notch-Cut Flap | Finger-grip notch | Simple finger lift; economical for China promotional mail |
| Double Perforation | Two tear lines | Controlled reveal; for China interactive campaigns |
| Peel-Off Outer Flap | Removable cover flap | Surprise reveal in China gift or promo designs |
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 |
Digital proofs in China provide fast, cost-effective verification of layout, color, and content before physical production. Ideal for quick-turn or budget-conscious projects.
| Proof Type | Format & Method | China Speed & Accuracy Notes |
|---|---|---|
| Online PDF Soft Proof | Shared via link or email | Within 24 hours; basic layout check for China clients |
| Calibrated Monitor Proof | Color-managed screen view | 1 day; accurate for CMYK in China design studios |
| Contract Digital Proof | Printed on calibrated press proof | 2 days; near-final color simulation for China approval |
| Interactive Online Annotation | Web-based markup tool | Real-time feedback; popular for China remote teams |
| Multiple Round Digital Revisions | Unlimited small changes | Fast iteration before physical sample in China |
For long-distance delivery, Envelope printing grams packaging in China is designed to withstand extended transit times, multiple handling stages, and variable environmental conditions.
| Shipping Challenge | Standard Handling | Rongli Shipping Solution |
|---|---|---|
| Multiple Transfers | Basic cartons | Reinforced corner protection |
| Transit Vibration | No cushioning | Stabilized internal structure |
| Extended Storage | Unprotected | Moisture-controlled packing |
Envelope printing prices in China fluctuate with raw material costs, peak seasons (wedding/Q4), and supply chain factors, affecting quotes over time.
| Fluctuation Factor | Price Direction | China Typical Period & Impact |
|---|---|---|
| Paper Price Volatility | Up 10–30% | Global pulp shortages; affects China kraft/coated |
| Peak Wedding Season | +15–40% | Q1–Q2; high demand for luxury in China |
| Q4 Corporate Rush | +20–50% | Year-end reports & gifts; capacity tight in China |
| Off-Season (Summer) | Discount 10–20% | Lower demand; good for China bulk planning |
| Supply Chain Disruption | Up 20–60% | Import delays raise costs in China |
Submitting an order is the first step in custom Envelope printing grams production. In China, clients provide specifications, quantities, and artwork to start the workflow efficiently.
| Step | Basic Approach | Rongli Workflow |
|---|---|---|
| Order Form | Manual submission | Online structured form |
| Artwork Upload | Email attachment | Integrated file upload system |
| Specification Confirmation | Verbal | Automated confirmation checklist |
Extra services like gift wrapping, rush orders, or custom inserts may add to the final Envelope printing grams price. In China, these are priced transparently.
| Service Type | Standard Cost | Rongli Offer |
|---|---|---|
| Rush Orders | High | Flexible scheduling minimizes extra cost |
| Gift Wrapping | Optional | Bulk wrapping reduces unit cost |
| Custom Inserts | Variable | Integrated during production |
Window envelopes are very popular in China for automated mailing. These are the questions we hear most.
| Question | Answer |
|---|---|
| Where should the window be positioned? | Standard: 26mm from bottom, 20mm from left for perfect address alignment in China. |
| Will the address shift inside? | Insert movement ±2mm is normal; we design with buffer zone in China. |
| Can I have double windows? | Yes, very common for billing (statement + reply address) in China. |
| Is the window film recyclable? | We offer compostable PLA film option for eco-conscious clients in China. |
| Can the window be custom shaped? | Yes, rounded corners or custom die-cut available (extra die fee) 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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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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©2026 Rongli Printing Co., Ltd. All rights reserved Rongli Printing Factory Address: Floors 1-3, Building 7, Lane 697, Lingshi Road, Shanghai (Factory Building)
