5 Most Popular Types of Corrugated Converting Machines

Explore the most advanced and in-demand solutions for flexo printing and box converting in the packaging industry.

As a global leader in corrugated packaging equipment, Keshenglong (Shinko Machinery) provides a powerful range of machines designed for precision, speed, and efficiency. Whether you're seeking flexo folder gluers or rotary die cutters, this guide introduces the 5 most popular types of Keshenglong equipment trusted by customers worldwide.

1. Flexo Folder Gluer (FFG) Machines

Best for: High-speed, integrated box production

Keshenglong’s signature Flexo Folder Gluer machines are engineered for end-to-end efficiency—handling printing, slotting, folding, and gluing in a single pass. Perfect for bulk corrugated box production with precise registration and rapid job changeovers.

Popular models include:

• Super Alpha Series – Keshenglong's premium high-speed model

• KL-F Series – Ideal for mid-sized businesses seeking speed with cost-efficiency

Key Features:
✔ Servo-driven control
✔ Up to 350 sheets/min
✔ One-touch setup and intelligent monitoring
✔ Energy-saving and durable build

2. Rotary Die Cutter (RDC) Machines

Best for: Custom-shaped packaging and detailed die cuts

When box designs demand more than just straight lines, Rotary Die Cutters provide the solution. These machines combine flexo printing with high-speed die-cutting to handle complex packaging forms like display boxes or retail-ready formats.

Popular models include:

• KL-RTC Series

• KL-RDC Servo Series

Key Features:
✔ High-precision die-cut registration
✔ Vacuum transfer for stable sheet handling
✔ Efficient feeding system
✔ Versatile for all corrugated grades

3. Printer Slotter Machines

Best for: Essential box converting with high output

Designed for companies focused on printing and slotting, these machines offer modular designs that are simple to operate and maintain. Optional gluing or folding modules allow flexible upgrades as business grows.

Popular model:

• KL-PR Series

Key Features:
✔ Anilox roll for consistent ink transfer
✔ Precise slotting knives and scoring tools
✔ Servo and mechanical drive options
✔ Compact footprint, low power consumption

4. Automatic Inline Stitching/Folder Gluer Machines

Best for: Heavy-duty corrugated boxes needing extra strength

For extra-tough packaging, Inline Stitching and Gluing Machines deliver durable results. Ideal for double-wall corrugated boxes, this system handles everything from folding to stitching and gluing in one seamless flow.

Popular model:

• KL-ST Series

Key Features:
✔ Adjustable nailing positions
✔ Servo-driven folding system
✔ High-speed accuracy
✔ Strong bonding for industrial boxes

5. Corrugator Line Systems (Custom Solutions)

Best for: Fully integrated corrugated board production

Although Keshenglong specializes in converting, it also provides custom integration with corrugator lines for clients seeking end-to-end solutions—from raw paper to finished sheet. Ideal for large-scale operations.

Applications include:

• Sheet feeding integration

• Inline converting automation

• Collaborative line development with strategic partners

Why Keshenglong?
✅ 20+ years of experience
✅ Advanced automation
✅ Exporting to 80+ countries
✅ Robust customer service and engineering support

Need a custom recommendation?
Visit our Product Page or contact our team to find the best fit for your production line.