Automatic Window Patchers
Advanced solutions for efficient and precise window patching in folding carton production.
Increase productivity with our reliable machinery.
Window Patching
Window patching represents the perfect marriage of form and function in packaging design. It satisfies consumers’ desire to see what they’re buying while maintaining the structural and marketing benefits of traditional packaging materials.
With over a decade of design and manufacturing expertise, we provide automatic high-speed windowing machines and solutions to folding carton producers worldwide, helping them reduce production costs, enhance efficiency, and strengthen competitive advantages.
Key Features & Benefits
High Efficiency
Maximum flat patching speed of 36,000 sheets/hr and an alignment speed of 15,000 sheets per/hr.
Seamless Integration
Compatible with folder gluers and downstream lines for end-to-end packaging automation.
Precision Engineering
Experience flawless window patching with our precisely calibrated machines.
Intelligent Setup
Digital settings with one-touch control for glue, film, and cutting parameters. No whistles or phase adjustment needed.
Long-Term Durability
Built to last with high-quality materials for long-term reliability.
Expert Support
Comprehensive technical support and training for optimal operation.
Our Product Series
Choose from our three premium automatic window patcher models, each designed for specific folding carton production requirements.
Model P
The Model P fully autoamtic window patching machine specifically designed for flat windows, particularly suitable for tissue boxes.
Model Q
The Model Q fully automatic window patching machine can complete the corner cutting and creasing of windows in one go, with high operational accuracy and suitable for various window patterns.
Model Y
The Model Y fully automatic window patching machine features a flat patching system and registration system, enabling efficient handling of various window operations on folding cartons.
Quick Recommendation
- For tissue box flat window patching jobs requiring precision and maximum throughput, select Model P.
- For window patching jobs requiring creasing, V cut cornering, and higher positioning accuracy, select Model Q.
- For window patching jobs requiring both high efficiency in flat patching and better registration accuracy, select Model Y.
Applications
Versatile window patching solutions for diverse industries
Cosmetic Packaging
Premium beauty product boxes with precision windows
Electronics Packaging
Tech product boxes with professional finish
Cake & Bakery Boxes
Food-safe packaging with clear display windows
Tissue Boxes
Tissue paper box with window
Toy Packaging
Colorful retail boxes with product visibility
Our window patchers are ideal for folding carton manufacturers that need more speed, accuracy, and automation — and less downtime and operator rework.
Why Partner with Fengchi?
High Quality
Fengchi products are manufactured by a team of skilled and qualified technicians. Our quality management system is certified by ISO9001. Products manufactured by Fengchi are also certified by CE.
Innovative Solutions
We work with you to find not just one, but the right solution for your packaging production – from stand-alone to turnkey.
Global Support
With three offices around the world, and around 30 agents, we are able to provide local support on a global level.
What Our Customers Say
See what our customers say about our window patching machines.
We run a high-mix schedule for cosmetics and toy boxes; this machine handles every window type we throw at it — thin films, reinforced patches, and tight registration jobs. The integrated registration capability guarantees die-cut alignment, which has significantly reduced rework and kept our line speed up. Robust build and great support made the integration seamless.
– Luca Moretti, Packaging Manager
The Model Q has completely changed our approach to quality control. We’ve reduced our scrap rate by over 90% and our technicians can now focus on more complex tasks. It paid for itself in just 10 months!
– Michael Torres, Production Manager
My team loves how safe and easy it is to use. The window patching accuracy has eliminated our waste problems. We’re saving thousands annually on materials alone. Best investment we’ve made in years.
– David Johnson, Owner
Trusted by Industry Leaders Worldwide






Our service for your success
Fengchi Printing Machinery knows that successful installation, training, and support are critical to your operation and achieving the profitability gains you target. This drives our commitment to your success.
Our goal is to provide you with the tools and technical knowledge that your in-house maintenance needs, to be able to fix their own machines.
Our technical support team and parts department work with customers to resolve issues over the phone, but when special care is needed, our team is prepared to make emergency field service visits, to get your plant up and running quickly. Parts, service, and support are handled directly through the Fengchi technical support group.
Ready To Boost Your Production Line?
Contact our team today to discuss your requirements and find the perfect window patching solution for your business.