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Wenzhou CaiShun Packaging Machinery

ISO9001:2008 certified manufacturer since 2004. We specialize in high-performance envelope making machines, peel & seal systems, window patching machines, and automated packaging solutions for global clients.

CaiShun Packaging Machinery Factory
CaiShun Factory Interior

Who We Are

Wenzhou CaiShun Packaging Machinery Co., Ltd. was established in 2004 and has since become one of the leading manufacturers of envelope and packaging machinery in China. We are committed to innovation, precision engineering, and reliable automation for the packaging industry.

Our product line includes envelope making machines, hydraulic die-cutting machines, envelope moistening and gumming systems, window patching machines, chopsticks and toothpick packaging machines, express mail envelope machines, and more.

ISO9001:2008 Certified
20+ Years Experience
Global Export Network
Custom Machine Design

Our Products

We offer a wide range of automated packaging machinery designed for efficiency, durability, and precision. All machines are engineered to meet international standards and support high-volume production.

ZD-420B Pocket Envelope Machine

ZD-420B Pocket Envelope Machine

Produces Chinese standard big envelopes, paper bags, and pasters. Features online silicone tape application for tongue sealing using double-sided adhesive or silicone tape.

  • High-speed production
  • Dual adhesive options
  • Stable gear-driven system
ZD-520B Pocket Envelope Machine

ZD-520B Pocket Envelope Machine (Big Size)

Designed for 1-10# Chinese standard letters and similar paper bags. Ideal for sealing Chinese-style envelopes with peel & seal technology.

  • Large format support
  • Adhesive tape or silicone
  • Synchronized drive system
ZF-320 Wallet Envelope Machine

ZF-320 Wallet Envelope Machine

Specialized in producing wallet envelopes and paper bags with online silicone tape sealing. Supports double-sided adhesive or silicone tape application.

  • Continuous paper feeding
  • Roller folding system
  • High precision alignment
ZF-291 Envelope Machine

ZF-291 Envelope Machine

Versatile machine for producing #1-7 pocket envelopes and #2-7 wallet envelopes. Features non-stop paper loading and automatic impressing.

  • Dual envelope type support
  • Gear and chain drive system
  • Synchronous belt transmission

Red Pocket Envelope Machine

Dedicated machine for producing traditional red pocket envelopes with high-speed folding, cutting, and sealing capabilities.

  • High-volume output
  • Precision color alignment
  • Low maintenance design

Peel & Seal Silicone Machine

Applies silicone-based peel & seal adhesive strips for envelopes and packaging. Ensures clean, reliable sealing without moisture.

  • No water required
  • Consistent adhesive layer
  • Easy integration

Window Patching Machine

Automates the application of transparent window patches on envelopes with high accuracy and speed.

  • Precise window alignment
  • Compatible with various paper types
  • Low film waste

Paper Bag Making Machine

Fully automated system for producing paper shopping bags, gift bags, and packaging with handles.

  • Handle insertion included
  • Custom size support
  • High durability construction

Why Choose CaiShun?

Engineered for performance, reliability, and long-term value.

ISO Certified

Our quality management system meets ISO9001:2008 standards for consistent excellence.

Precision Engineering

Gear, chain, and synchronous belt systems ensure perfect synchronization and durability.

Global Support

Serving clients worldwide with responsive service and technical assistance.

Custom Solutions

We design and modify machines to meet your specific production requirements.

20+
Years in Business
50+
Machines Exported
1000+
Clients Served
ISO
9001:2008 Certified

Frequently Asked Questions

What types of envelopes can your machines produce?

Our machines support Chinese standard #1-10 envelopes, wallet envelopes, pocket envelopes, red pocket envelopes, and custom-sized envelopes based on client needs.

Do you offer machines with peel & seal functionality?

Yes, models like the ZD-520B and ZF-320 support peel & seal silicone tape application for dry, reliable sealing without moisture.

Are your machines suitable for high-volume production?

Absolutely. Our gear-driven, synchronized systems are built for continuous, high-speed operation in industrial environments.

Can you customize machines for specific requirements?

Yes, we offer customization for size, speed, adhesive type, and integration with existing production lines.

What is your warranty and support policy?

We provide comprehensive technical support and service guidance. For detailed warranty terms, please contact us directly.

Get in Touch

For inquiries, quotes, or technical support, please contact us through the official website.

Phone: +86-577-67201699
Fax: +86-577-67201699
Contact Person: Lena Liu

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