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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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Ensure efficient business communications with Jize envelope printing wholesale printing in China. From office mail and high-volume orders to marketing campaigns and confidential document envelopes, we deliver reliable and professional results.
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 Category | Selected Options | China Local Application & Advice |
|---|---|---|
| Size & Format Standards | ISO 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 & Weight | 24 lb bond, 70–100 lb text, 80–120 lb cover stock | 70–100 lb text strikes the best balance for China high-speed inserting machines without jamming |
| Color Printing Options | Grayscale only, 2-color duotone, variable data full color | Variable data printing allows personalized elements, increasingly demanded by China direct mail marketers |
| Finishing & Coating | Flood UV varnish, anti-static treatment, security tint inside | Security tint inside prevents show-through for China sensitive financial mailings |
| Sealing & Security Features | Security flap with tamper-evident seal, quick-stick latex, hook-and-loop | Tamper-evident seal is essential for China legal and banking correspondence requiring proof of unopened delivery |
Jize envelope printing wholesale in China offers multiple envelope forms to suit specific purposes. From standard business rectangles to square invitation envelopes, and booklet-style for documents, each shape serves a functional role. Selecting the proper form improves organization, handling, and presentation of contents.
| Shape | Generic Envelope | Rongli Custom Envelope |
|---|---|---|
| Rectangle | Standard correspondence | Custom sizing for letters, contracts, and branded content |
| Square | Occasional invitations | Premium design for marketing or event communication |
| Booklet | Rare usage | Optimized for reports and multi-page inserts |
China exporters and global businesses often use ISO C-series sizes for consistent international mailing. These specifications ensure compatibility worldwide.
| ISO Size | Dimensions (mm) | China International Use & Notes |
|---|---|---|
| C6 | 114 × 162 | Small international cards in China; A6 inserts |
| C5 | 162 × 229 | A5 unfolded documents; global standard |
| C4 | 229 × 324 | A4 flat mail; widely accepted overseas |
| C3 | 324 × 458 | Large posters or plans from China |
| B5 (related) | 176 × 250 | Occasional international booklet in China exports |
In China, Jize envelope printing wholesale offers lightweight envelope materials for economical and easy mailing. Thin paper, kraft paper, and light-coated sheets reduce postage cost while maintaining adequate durability and professional appearance.
| Material | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| Thin Paper | Regular office paper | Lightweight yet durable for everyday mailing |
| Kraft Paper | Basic brown paper | Strong texture with reduced weight |
| Light-Coated Sheet | Standard coated paper | Smooth and lightweight for efficient mailing |
Digital methods in China excel for short runs, variable data, and quick changes. Color schemes support full CMYK with easy personalization.
| Digital Variant | Color Capabilities | China Speed & Customization Benefits |
|---|---|---|
| Toner-Based Digital | CMYK + white ink options | Fast proofs; ideal for China small-batch branded envelopes |
| Inkjet Digital | High-res CMYK gradients | Photo-quality; suits China variable name/address mail |
| UV-Curable Digital | CMYK + spot gloss | Durable finish; weather-resistant for China outdoor mailers |
| Variable Data Digital | Personalized CMYK | One-to-one marketing; boosts China campaign response |
| Short-Run Hybrid | CMYK + Pantone simulation | Bridge to offset for growing China orders |
Die-cutting allows non-standard shapes and precise cutouts in China, turning envelopes into unique branded pieces. It pairs well with other finishes.
| Die-Cut Type | Shape/Feature | China Creative & Functional Uses |
|---|---|---|
| Standard Window Die-Cut | Rectangular/oval window | Address visibility; standard China business mail |
| Custom Shape Die-Cut | Irregular outlines | Branded silhouettes; for China product launches |
| Scalloped Edge | Wavy decorative border | Playful invitations; popular in China events |
| Multi-Window Die-Cut | Multiple cutouts | Double-window remittance; China billing efficiency |
| Flap Shape Die-Cut | Custom flap contours | Unique opening experience for China luxury mail |
Jize envelope printing wholesale in China offers snap closure envelopes for quick and secure sealing. The snap mechanism is durable and reusable, suitable for confidential or frequently accessed documents.
| Closure Type | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| Metal Snap | Office use | Quick, secure, and reusable closure |
| Plastic Snap | Personal documents | Lightweight, easy to open and close |
For automated production and heavy-duty use in China, industrial seals offer speed, strength, and machine compatibility.
| Industrial Seal | Activation Method | China Efficiency & Application |
|---|---|---|
| Hot-Melt Adhesive Seal | Machine heat activation | Ultra-strong; for China automated fulfillment lines |
| Pressure-Sensitive Permanent | Instant heavy-duty bond | No heat needed; suits China high-speed inserting |
| Double-Sided Tape Liner | Industrial-grade tape | Reinforced closure; for China catalog and shipping envelopes |
| Heat-Sealable Flap | Thermal sealing jaws | Seamless bond; common in China poly mailer hybrids |
| Reinforced Gusset Seal | Extra adhesive on sides | Bulky content security in China logistics |
Hospitals, clinics, and labs in China require confidential, hygienic, and compliant envelopes for patient records, test results, and billing.
| Requirement | Specification | China Healthcare Application |
|---|---|---|
| Size | DL window or C5 | Fits reports and bills; window for address privacy |
| Material | Security paper 100–120gsm | Anti-show-through; protects patient data |
| Security | Tamper-evident seal + tint | HIPAA-like compliance; for China medical confidentiality |
| Printing | Black + spot color logo | Clear, professional; minimal ink for hygiene |
| Closure | Permanent pressure seal | One-time secure closure for China results mail |
Before delivery, Jize envelope printing wholesale orders in China undergo final inspection to confirm quantity, appearance, and packaging condition. This reduces the risk of defects reaching the customer.
| Check Point | Industry Norm | Rongli Pre-Shipment Check |
|---|---|---|
| Quantity | Estimated count | Verified packing quantity |
| Surface Condition | Quick review | Clean and defect-free inspection |
| Packing Status | Basic cartons | Secure and labeled packaging |
Clear labeling improves logistics efficiency. Jize envelope printing wholesale shipments from China include clear carton labels to support accurate handling, storage, and delivery.
| Label Type | Basic Practice | Rongli Labeling System |
|---|---|---|
| Product Identification | Handwritten notes | Printed batch labels |
| Handling Marks | Optional | Clear handling instructions |
| Traceability | Limited | Order-based carton tracking |
Each added finish in China (foil, emboss, lamination, UV, etc.) increases cost through extra setup, materials, and production time. Multiple finishes compound the effect.
| Finish Type | Added Cost Range | China Typical Increase & Reason |
|---|---|---|
| Gloss/Matte Lamination | +10–20% | Protective film; common upgrade in China |
| Spot UV Coating | +15–25% | Selective gloss; adds premium feel in China |
| Gold/Silver Foil Stamping | +25–50% | Foil + die cost; luxury staple in China |
| Embossing / Debossing | +20–40% | Custom die; tactile effect in China |
| Multiple Finishes Combined | +50–100%+ | Cumulative setup & time for China high-end |
Production cycles in China typically range from 5–15 working days depending on quantity, complexity, and current workload. The timeline includes file confirmation, material preparation, printing, finishing, quality checks, and delivery.
| Stage | Typical Duration | China Key Notes & Dependencies |
|---|---|---|
| File Confirmation & Proofing | 1–3 days | Client feedback speed; delays common in China |
| Material Procurement | 1–2 days | Standard stock immediate; specialty paper 3–5 days in China |
| Printing & Core Production | 3–7 days | Offset bulk faster; digital short-run 1–3 days in China |
| Finishing & Quality Check | 2–4 days | Foil/emboss adds time; QC strict in China |
| Packaging & Delivery | 1–3 days | Local delivery 1 day; nationwide 2–3 days in China |
Local factories in China build trust through long-term client relationships, repeat business, and proven delivery on large or high-profile projects.
| Track Record Aspect | Evidence | China Trust & Reliability Benefit |
|---|---|---|
| Repeat Client Ratio | 70–90% repeat business | Long-term partnerships; confidence in China |
| Large Corporate Accounts | Banks, government, brands | Handles high-security & volume in China |
| Case Studies | Successful wedding/event runs | Proven premium execution in China |
| Client References | On-site or online testimonials | Builds credibility for new clients in China |
| Industry Recognition | Awards / certifications | Verified excellence in China printing sector |
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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