Bottom Sealing Bag Making Machines Series Overview

Bottom Sealing Bag Making Machines

The roll packaging bag making machine integrates a cutting-edge tension control system to optimize roll packaging performance. Its core value is boosting the quality of roll packaging bags (e.g., fresh-keeping, medical sterilization, industrial part, quick-frozen food bags). Using high-precision sensors and real-time feedback, the system dynamically adjusts packaging material tension throughout production (film feeding, heat sealing, punching, winding), ensuring the produced bags meet key quality standards: flat/defect-free bodies, stable functions (no usage issues), high batch consistency, and less material waste.

High sealing quality
Quick mold change function
Wide range of materials
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Bottom Sealing Bag Making Machines Models

Bottom sealing bag making machines handle flat, stand-up and heavy-duty formats within our full plastic bag making machine line. Review models below, or explore plastic bag production solutions for every bag style.

High Speed Bottom Seal Bag Making Machine By Flying Knife System Machine
LFFD-1100/1400/1600/1700

The LFFD series is a high-speed bottom seal bag making machine built around a servo-driven flying-knife cut-off and dual-side wire sealing for strong, consistent seal lines. Spanning 1000–1600mm bag width across four models, it handles HDPE, LDPE, and FFS films for heavy-duty, large-format flat bags, with optional multi-line non-printing output and a non-overlapping seal-line feed system.
Max. Bag Width

1000mm

Producing Length

200-2000mm

Max. Producing Speed

80pcs/min

High Speed Bottom Seal Bag Making Machine By Flying Knife System Icon
(355)
LFFD-1600+G+S Multi-Line Flying-Knife Bottom Seal Machine with Inline Hot-Slitting & Side Gusset Machine
LFFD-1600+G+S

The LFFD-1600+G+S is a multi-line bottom seal bag making machine that slits one wide jumbo roll into multiple lines inline, adds side gussets, and double-folds long bags automatically. A servo-driven flying knife and dual-side wire sealing deliver strong seals across HDPE, LDPE, and FFS films — configurable as one 1500mm web or split into 2–3 narrower lines.
Max. Bag Width

1500mm700mmx2450mmx3330mmx2

Producing Length

200-2000mm

Max. Producing Speed

70pcs/min

LFFD-1600+G+S Multi-Line Flying-Knife Bottom Seal Machine with Inline Hot-Slitting & Side Gusset Icon
(350)
LF-DF Fully Automatic Folding Machine for Bottom Sealing Bag Making Machine Machine
LF-DF

The LF-DF Fully Automatic Folding Machine is an inline downstream solution engineered specifically for high-capacity bottom-sealing bag production. It automates the precise double-layer folding of large, heavy-duty plastic bags directly after the cutting stage. By eliminating manual folding errors, ensuring smooth, non-deviating edges, and streamlining collection, it significantly enhances product aesthetics and cuts down labor overhead in industrial packaging lines.
Folding Length

500-1700mm

Folding Width

According to Cutting Machine Width

Total Power

3kW

LF-DF Fully Automatic Folding Machine for Bottom Sealing Bag Making Machine Icon
(444)
LDFP-450X2TS Full Automatic Double-Line Tensionless Bottom Seal Bag Making Machine Machine
LDFP-450X2TS

The LDFP-450X2TS is a double-line tensionless bottom seal bag making machine using a hot-seal, cold-cut method under full servo control. Four servo feed motors (two per line, front and back) hold the film tension-free at the seal point for stronger seams, while independent cold-cut knives give a clean finish. It runs HDPE, LDPE, and biodegradable PLA/PBAT at up to 180 pcs/min.
Max. Bag Width

380mmX2

Producing Length

300-700mm

Max. Producing Speed

180pcs/min

LDFP-450X2TS Full Automatic Double-Line Tensionless Bottom Seal Bag Making Machine Icon
(543)
LDF-1000 Double-Layers Plastic Bag Cutting and Sealing Making Machine Machine
LDF-1000

The LDFP-450X2TS is a double-line tensionless bottom seal bag making machine using a hot-seal, cold-cut method under full servo control. Four servo feed motors (two per line, front and back) hold the film tension-free at the seal point for stronger seams, while independent cold-cut knives give a clean finish. It runs HDPE, LDPE, and biodegradable PLA/PBAT at up to 180 pcs/min.
Max. Bag Width

900mm

Producing Length

400-2000mm

Max. Producing Speed

80pcs/min

LDF-1000 Double-Layers Plastic Bag Cutting and Sealing Making Machine Icon
(438)
LDF-1000H+DS Double Layers/Four Lines Bottom High Speed Sealing Bag Making Machine with Automatic Motor Rolls Lift Machine
LDF-1000H+DS

The LDF-1000H+DS is a heavy-duty, ultra-high-speed bottom sealing bag making machine engineered for maximum manufacturing throughput. Featuring an advanced double-layer, four-line synchronized feeding system, it effectively quadruples your production capacity within a single machine footprint. The standout motorized automatic roll lift framework eliminates manual heavy lifting during raw material changes, while the integrated floating roller tension control ensures airtight thermal bottom seals at blistering operational speeds
Max. Bag Width

400mm*4

Producing Length

300-800mm

Film Thickness

0.010-0.030mm

LDF-1000H+DS Double Layers/Four Lines Bottom High Speed Sealing Bag Making Machine with Automatic Motor Rolls Lift Icon
(548)
LDFP-1100/1200 Double-Layers Plastic Bag Cutting and Sealing Making Machine with Punch Machine
LDFP-1100/1200

The LDFP-1100/1200 is a high-output double-layers bottom seal bag making machine with an inline automatic punch, producing up to 8 bags simultaneously via multiple feed motors. Using hot-sealing and cold-cutting with independent upper and lower knives, it runs HDPE and LDPE films and switches between single and double seals.
Max. Bag Width

200mm*8

Producing Length

300-600mm

Max. Producing Speed

120pcs/min

LDFP-1100/1200 Double-Layers Plastic Bag Cutting and Sealing Making Machine with Punch Icon
(199)
LDF-1000/1200+SZ Automatic Garbage Bag Making & Folding Machine Machine
LDF-1000/1200+SZ

The LDF-1000/1200+SZ pairs a bottom seal/cutting unit with an automatic folding machine to produce printed and unprinted flat garbage bags from HDPE and LDPE, then fold them down to compact size. PLC-controlled with an imported touchscreen, it folds accurately to a set count without manual sorting, in widths up to 1100mm.
Max. Bag Width

900mm

Producing Length

700-1200mm

Max. Producing Speed

30-150pcs/min

LDF-1000/1200+SZ Automatic Garbage Bag Making & Folding Machine Icon
(356)
LDF-600+TS+LH Automatic Bottom-Sealing Soft Loop Handle Bag Making Machine Machine
LDF-600+TS+LH

The LDF-600+TS+LH is an automatic bottom-sealing bag making machine with heat-softened soft loop handles, built for premium HDPE/LDPE packaging — beverage, garment, shoe-box, and boutique bags. A patented heat-sealing blade gives strong, clean, high-end seals, while servo-controlled tensionless sealing and a servo flying-knife cut deliver stable, premium output via a Taiwan Weinview touchscreen.
Max. Bag Width

250-550mm

Producing Length

350-600mm

Max. Producing Speed

60pcs/min

LDF-600+TS+LH Automatic Bottom-Sealing Soft Loop Handle Bag Making Machine Icon
(226)
GDFR-450X2 FF High-Speed Double-Line Four-Fingers Bottom Seal Bag Making Machine Machine
GDFR-450X2 FF

The GDFR-450X2 FF is a high-speed double-line bottom seal bag making machine for four-fingers (patch) handle bags, with an inline automatic handle-hole punch and waste collection. Twin independent servo feed drives set each line's bag length, and the patented hot-cut, hot-seal knife runs HDPE, LDPE, and biodegradable PLA/PBAT at up to 220 pcs/min.
Max. Bag Width

380mm×2

Producing Length

300-700mm

Max. Producing Speed

220pcs/min

GDFR-450X2 FF High-Speed Double-Line Four-Fingers Bottom Seal Bag Making Machine Icon
(151)
LDFF-800/1000/1200 Automatic Draw-Tape Bag Making Machine with Piece Folding Machine
LDFF-800/1000/1200

The LDFF series is an automatic draw-tape bag making machine that folds finished bags piece by piece, driven entirely by servo motors with dual-servo feed control. An inline poly draw-tape attachment system and tensionless seal-and-cut design produce strong drawstring bags in HDPE and LDPE across 400–1000mm width, with the folding unit fully servo-integrated.
Bag Producing Width

450-1000mm

Producing Length

400-1080mm

Max. Producing Speed

160pcs/min

LDFF-800/1000/1200 Automatic Draw-Tape Bag Making Machine with Piece Folding Icon
(545)

Applications & Industries We Serve

Every Lingfeng plastic bag making machine is built around a real production goal. Below are the most common bag types and industries this equipment serves — from high-volume retail to specialized, eco-friendly formats. Tell us your application and our engineers will match the right machine configuration, or explore our full plastic bag making machine range.
Heavy-Duty Garbage Bag application

Heavy-Duty Garbage Bag →

Thick, leak-resistant sacks for municipal and industrial waste handling.
Medical Waste Bag application

Medical Waste Bag →

Color-coded biohazard bags for hospitals, clinics, and laboratories.
Flat Bag application

Flat Bag →

Stand-up, flat-bottom bags for food, retail, and component packing.
Explore All Applications Get a Tailored Recommendation
Supported Substrates

Compatible Printing & Converting Materials

Our packaging machinery is engineered to support stable roll-to-roll processing across various flexible substrates. Explore the material compatibility based on your production requirements.

Heavy Duty

Thick Multi-Layer Co-extrusion

Specially engineered heavy copper heating bars deliver profound thermal penetration for sealing thick, multi-layered high-strength industrial agricultural films.

Typical Applications:
  • Industrial chemical powder packaging bags
  • Heavy-duty stretch hood pallet liners
  • Agricultural fertilizer outer sacks
Recycled Film

Recycled Polyethylene (PCR/PIR)

Our adaptive pneumatic press system compensates for film thickness variance commonly found in 100% recycled plastics, guaranteeing leak-proof bottom seals.

Typical Applications:
  • Coreless drawstring garbage bags on roll
  • Heavy municipal waste handling bags
  • Commercial trash can liner rolls
Medical Grade

Co-Extruded Pouches & PP Tube

Integrates precise PLC temperature control modules to secure ultra-stable and aesthetic hermetic bottom seals for strict hygiene-sensitive clinical packages.

Typical Applications:
  • Hazardous clinical medical waste bags
  • Autoclave steam sterilization pouches
  • Specimen collection isolation bags

Unsure if Your Material is Compatible With Our Bag Making Machines?

Send us your substrate technical data sheets (thickness in microns, film width, and film type). Our engineering team in Ruian will evaluate your samples and recommend the optimal mechanical setup.

Request a Material Evaluation Talk to Engineer on WhatsApp
Buying Guide

How to Choose the Right Machine for Your Production

The lowest quote is rarely the lowest total cost. Before comparing models, fix three things: your target bag style, your realistic daily output, and the exact film material and thickness range you will run. Match the configuration to those, not to the price tag — or use our plastic bag making machine comparison hub to review all categories first.

01

Prioritize Seal Integrity for Heavy Loads

Choose a bottom sealing machine when strength and leak resistance are non-negotiable. The bottom seal is a single continuous line that bears the contents' weight directly, while the folded sides are not sealed seams — making the bag inherently strong for heavy or sharp items such as industrial sacks and courier mailers. Verify that the precision cutter works in sync with the sealing unit so every bag gets a clean, uniform, leak-proof seal on your actual film thickness.

02

Check Bag Format & Throughput Options

Bottom-sealed bags have a clear front and back panel and a flat bottom that can stand upright, so confirm the forming device produces the stand-up or flat-bottom profile your product needs. For mass production, look for multi-lane flying-knife configurations with an optional inline side-gusset unit, letting a single line cover both standalone sacks and gusseted formats.

Practical Next Step

Need a Configuration Proposal for Your Product?

Share your production parameters — bag style, film material and thickness range, and maximum width target. Our engineering team will return a recommended machine structure and quotation matched to your output goals and expansion plans.

Request Configuration Guide Talk to an Engineer on WhatsApp

Why Choose UsWhy Global Buyers Choose LINGFENG

Get a Free Quote
30+
Years Focused
50+
Export Countries
150–200
Machines / Year
CE & ISO
Certified

30+ Years of Focus

Founded in 1994, dedicated solely to bag making machinery — not a side product line.

Proven Global Track Record

Exported to 50+ countries with a documented history of reliable performance.

CE & ISO 9001 Certified

Compliant with international standards under a full ISO 9001 quality system.

In-House Manufacturing

Full process control, with rigorous load testing on every machine before shipment.

Wide Material Compatibility

Runs PE, HDPE, LDPE, PP, and biodegradable PLA/PBAT, with quick mold change.

Lifetime Overseas Support

Installation guidance, operator training, and fast spare-parts response after the sale.

Buyer Support

Frequently Asked Questions

What materials can the Bottom Sealing Bag Making Machines process?

The Bottom Sealing Bag Making Machines works with PE, PP, and biodegradable films, making flat-bottom bags for food packaging, shopping, or storage—ensuring tight, leak-proof seals.

What’s the production speed of the Bottom Sealing Bag Making Machines?

The Bottom Sealing Bag Making Machines makes 800-2000 bags/hour (varies by model), with auto feeding, sealing, and cutting—40% faster than semi-automatic alternatives for bulk orders.

Is the Bottom Sealing Bag Making Machines easy to operate?

The Bottom Sealing Bag Making Machines has a touchscreen with pre-set bag size (10-50cm length) and auto error alerts. New operators can learn basic use in 1 day with guidance.

How to maintain the Bottom Sealing Bag Making Machines?

The Bottom Sealing Bag Making Machines has detachable sealing heads and cutting blades for easy cleaning. Lubricate transmission parts monthly and replace blades every 3-6 months.

What information do I need for a Bottom Sealing Bag Making Machines quotation?

Share your target bag type, film material and thickness, bag width / length, daily output goal, and whether you need print-mark tracking or special features. With these details our engineers can recommend the right Bottom Sealing Bag Making Machines model and send a formal quotation. You can also use the form on this page or browse our full machine range.

Are Lingfeng Bottom Sealing Bag Making Machines CE certified?

Yes. Our machines meet CE requirements for machinery safety. You can review our CE certification on the Certificate page before placing an order.

Do you provide overseas installation and operator training?

Yes. We run a Factory Acceptance Test (FAT) before shipment, then provide on-site installation, debugging and operator training, a 1-year warranty and local agents in Peru, Mexico, Saudi Arabia, Russia and India.

Technical Insights

Bottom Sealing Bag Making Machines Knowledge Hub

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