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email:chengxunys@163.com
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Your brand's story begins the moment your envelope arrives — start it strong. In China, our custom Tang Hai No. 9 envelope printing services allow you to create envelopes that feel intentional, premium, and unmistakably yours. High-quality materials provide a substantial feel, accurate printing ensures brand consistency, and elegant finishes create immediate intrigue. Whether sending proposals, invitations, or marketing materials, custom envelopes help you stand out, increase engagement, and ensure your message is received with respect. In a noisy market, this small upgrade dramatically improves perceived value and response rates.

Tang Hai No. 9 envelope printing in China is designed to facilitate clear and efficient communication. By customizing envelope content and layout, recipients can instantly understand the origin and purpose of documents. This ensures that business operations, client communication, and internal correspondence proceed smoothly with minimal confusion or delays.
| Aspect | Regular Envelope | Rongli Custom Envelope |
|---|---|---|
| Information Clarity | Minimal details | Clear sender, recipient, and purpose labeling |
| Operational Efficiency | Basic use | Speeds up document handling |
| Use Cases | General office use | Business letters, contracts, internal correspondence |
In China, Tang Hai No. 9 envelope printing includes various professional envelope styles. Rectangular, square, and booklet envelopes are commonly used to deliver official documents, invitations, and brochures. Choosing the right envelope style ensures both functional efficiency and professional appearance.
| Envelope Style | Regular Envelope | Rongli Custom Envelope |
|---|---|---|
| Rectangle | Standard office letters | Custom dimensions for documents and branding |
| Square | Invitations | Premium look for events and marketing |
| Booklet | Limited reports | Professional layout for multi-page documents |
In China, many businesses mix ISO, US, and local Chinese envelope sizes depending on domestic vs. international mailing. Understanding compatibility, postage implications, and common pitfalls helps avoid delays or extra costs. This table highlights hybrid-use sizes with real-world China compatibility notes.
| Size / Standard | Dimensions (mm) | China Compatibility & Practical Tips |
|---|---|---|
| DL (ISO/Chinese) | 110 × 220 | Universal in China for both local and some international mail; fits A4 tri-fold perfectly |
| #10 US Commercial | 105 × 241 | Common for China cross-border business; slightly narrower than DL – check insert fit |
| C5 (ISO) | 162 × 229 | Works well with A5 or half-A4; avoid using for full A4 to prevent creasing |
| ZL Local Variant | 120 × 230 | Preferred in China government and notification mail; 10mm longer than DL for extra space |
| #9 Reply + #10 Outer | #9: 98 × 191 / #10: 105 × 241 | Classic reply system in China billing; ensure #9 fits snugly inside #10 without jamming machines |
For protective and rugged envelopes in China, kraft-based papers dominate due to strength and eco-appeal. Weights vary by protection level needed. This selection focuses on durable materials.
| Material | Weight (GSM) | China Durability & Use Notes |
|---|---|---|
| Standard Kraft | 120–140 GSM | High tear resistance; standard for China parcel and document protection |
| Heavy Kraft Board | 200–300 GSM | Thick and rigid; used in China heavy-duty shipping envelopes |
| Bleached Kraft | 100–130 GSM | Whiter appearance; balances strength and print quality in China |
| Recycled Kraft | 110–140 GSM | Eco version with similar toughness; growing in China sustainable logistics |
| Poly-Lined Kraft | 120–160 GSM base | Water-resistant for China outdoor or humid shipping |
In China, Tang Hai No. 9 envelope printing provides high-resolution printing options for envelopes, ensuring logos, images, and text are crisp and professional. Ideal for corporate branding, invitations, and marketing campaigns that require visual precision.
| Technique | Standard Envelope | Rongli Custom Envelope |
|---|---|---|
| High-Res Digital Printing | Regular print | Sharp details for logos and graphics |
| Offset High-Res | Standard print | Consistent quality for bulk production |
| UV Spot Printing | Flat ink | Raised ink effect for premium branding |
Surface finishes and post-processing elevate custom envelopes in China from functional to premium. Common techniques include foil stamping for shine, lamination for protection, and embossing for texture. These add visual appeal, durability, and brand perception. The table below covers essential options with China applications.
| Finish / Process | Key Effect | China Advantages & Typical Uses |
|---|---|---|
| Gold/Silver Foil Stamping | Metallic shine on selected areas | Premium logo highlight; classic for China wedding and luxury invitations |
| Matte/Gloss Lamination | Protective film layer | Water and scuff resistance; ideal for China frequent-handled business envelopes |
| Embossing / Debossing | Raised or recessed texture | Tactile elegance; suits China high-end corporate stationery |
| Spot UV Coating | Selective glossy shine | Accentuates logos or text; popular in China promotional mail |
| Die-Cutting | Custom shapes and windows | Unique branded forms for China creative campaigns |
In China, Tang Hai No. 9 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 |
Security-focused closures in China provide visible evidence of unauthorized access, essential for confidential, financial, or legal mail.
| Security Sealing | Structural Feature | China Protection Level & Uses |
|---|---|---|
| Void Tape Seal | Adhesive leaves "VOID" message | High tamper detection; standard for China banking statements |
| Security Slit Flap | Pre-cut slits tear on open | Basic evidence; economical for China government mail |
| Permanent Pressure Seal | Strong adhesive, no re-open | One-time use; for China classified or sealed documents |
| Water-Soluble Gum + Slits | Dissolves in water, slits tear | Multi-layer security; used in China high-value shipments |
| Tamper-Evident Peel Strip | Printed warning on peel | Clear visual proof for China legal correspondence |
In China, Tang Hai No. 9 envelope printing 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 |
China digital and short-run printers support low minimum orders for custom envelopes, perfect for prototypes, limited editions, or seasonal needs without large commitments.
| Quantity Level | MOQ Requirement | China Best For & Cost Notes |
|---|---|---|
| 50–200 pcs | MOQ 100 (digital) | Prototypes or weddings; higher unit cost in China |
| 200–500 pcs | MOQ 200–300 | Small businesses; test market in China |
| 500 pcs | Standard low MOQ | Entry bulk; good for China startups and events |
| Digital Short Run | No strict MOQ | Per-piece pricing; flexible for China variable data |
| Low MOQ Premium | MOQ 100–200 | Foil/emboss allowed in China small luxury orders |
Delivery planning varies by destination. Tang Hai No. 9 envelope printing orders from China are scheduled with consideration for regional distance, customs requirements, and local logistics conditions.
| Destination Type | General Planning | Rongli Delivery Plan |
|---|---|---|
| Nearby Cities | Standard transit | Fast local routing |
| Remote Areas | Extended delivery | Adjusted lead-time planning |
| International | Limited support | Coordinated export logistics |
Artwork review ensures production accuracy. Tang Hai No. 9 envelope printing designs in China are checked against specifications and a digital proof is generated for client approval before printing.
| Verification Step | Standard Method | Rongli Proofing |
|---|---|---|
| Initial Check | Manual inspection | Automated format & color validation |
| Client Approval | Email approval | Interactive digital proofing |
| Revision Handling | Back-and-forth emails | Centralized revision tracking |
Order quantity directly influences per-unit pricing. Tang Hai No. 9 envelope printing in China benefit from economies of scale, reducing cost per piece for larger orders.
| Order Size | Typical Unit Cost | Rongli Benefit |
|---|---|---|
| Small Orders | Higher | Flexible pricing for low volume |
| Medium Orders | Standard | Balanced cost-efficiency |
| Large Orders | Lower per-unit | Economies of scale applied |
Here are the most frequently asked questions by clients in China when ordering custom envelopes for the first time.
| Question | Answer |
|---|---|
| What is the minimum order quantity (MOQ)? | Digital printing starts at 100–500 pcs; offset printing usually 500–1,000 pcs. Lower MOQ available for repeat clients in China. |
| How long does production take? | Standard 7–12 working days after final approval. Rush service can be as fast as 3–5 days in China. |
| Do you provide free samples? | Yes, 1–3 blank or similar samples are free. Custom physical samples cost ¥100–300 (deductible from bulk order) in China. |
| Can I use my own design file? | Yes, we accept AI, CDR, PDF (300dpi, CMYK, with bleed). We offer free file checking in China. |
| Is there a setup or plate fee? | Only for offset printing, usually ¥300–800, amortized over quantity 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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