Based in Wenzhou, China's printing capital. Since 1982, Xinfeng Envelope has served global distributors with a daily output of 3,000,000 pieces, backed by German engineering.
Request a Factory QuoteSustainable paper sourcing and 100% water-based eco-friendly inks.
Designated envelope manufacturer for official postal services.
Strict adherence to national standards for dimensions and adhesion.
From standard commercial mailers to complex custom designs, we handle everything in-house.
Commercial styles (DL, C5, C4, #10). Available with traditional Gummed or Peel & Seal adhesives.
Window envelopes (with clear film) and premium lined envelopes for high-end branding and corporate mailing.
High-quality bottom-fold red packets. Premium hot stamping, embossing, and custom designs available.
Provide your artwork and specs. We handle printing, die-cutting, and finishing seamlessly.
Watch our latest high-speed machine in action, producing large format custom envelopes up to 650×420mm.
We handle everything from miniature tags to oversized flat mailers.
| Envelope Style | Min. Finished Size | Max. Finished Size |
|---|---|---|
| Standard (Top Flap) Commercial / Western | 40 (W) × 40 (H) mm | 380 (W) × 280 (H) mm |
| Specialty (Side Flap) Custom / Large Format | 40 (W) × 20 (H) mm | 650 (W) × 420 (H) mm |
* All dimensions are listed as Width (W) × Height (H). Custom sizes within these ranges are fully supported.
Inside our 35+ production lines facility.
Located at No. 6 Longjin Avenue, Qianku Town, Cangnan County, Xinfeng Envelope has been a cornerstone of the printing industry since December 1982.
We combine traditional craftsmanship with modern production lines to guarantee absolute quality and on-time delivery for global partners. From raw paper to finished custom envelopes, everything is handled seamlessly under our roof.
WINKLER & DÜNNEBIER (W&D 141) machine producing Kraft envelopes, built in West Germany, 1987.
To guarantee precision for complex folds and adhesives, we invested in original WINKLER & DÜNNEBIER (W&D) equipment from West Germany. Today, our facility runs 15 sets of German W&D machines and over 20 domestic high-speed lines.
Meticulously maintained by our veteran engineers for decades, this legendary machinery ensures we can produce 3 million pieces daily without compromising quality or lead times.
Original 1987 West Germany NameplateEnsuring your containers are loaded and dispatched on schedule.
When you place an order with Xinfeng, you are buying peace of mind. We understand that in global trade, missing a vessel is not an option.
Our dedicated logistics team works closely with freight forwarders and flexibly adapts to loading schedules to ensure your goods are dispatched exactly when they need to be, keeping your supply chain running smoothly.