Cost-effective & high-output entry model for PE packaging bags

With its energy-efficient permanent magnet direct drive, wide compatibility with screw dies, precise temperature control, and stable film bubble, this machine outperforms single-layer equipment in the same price range in terms of thickness accuracy, production capacity, and stability. It offers both value for money and high quality, and is extremely versatile, serving multiple purposes with a single machine.

  • 32:1 Length-to-Diameter Ratio Screw
  • Product yield rate of over 99%
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Explore Our MONO Film Blowing Machine Series
Plastic Blowing Film Gravure/Flexographic Printing Unit
SJ-P45/50/55/60/65
Plastic Blowing Film Gravure/Flexographic Printing Unit
The plastic blowing film gravure/flexographic printing unit body is made of square steel, with frequency converter controlled traction, friction single winder, and elevator, which is suitable for blowing HDPE/LDPE industrial and agricultural film.
Single‑Screw Film Blowing Machine
MONO HDPE/LDPE PLUS
Single Screw Film Blowing Machine
MONO HDPE/LDPE PLUS Single‑Screw Film Blowing Machine is a high‑speed, energy‑efficient, stable flagship monolayer PE film blowing machine.
Single‑Screw Film Blowing Machine
MONO HDPE/LDPE
Single Screw Film Blowing Machine
CHENQI's MONO HDPE/LDPE Single Screw Film Blowing Machine is suitable for producing plastic films such as high-density polyethylene (HDPE), low-density polyethylene (LDPE), and linear low-density polyethylene (LLDPE).
Single-Screw Double-die Film Blowing Machine Set
SJ
Single Screw Double-die Film Blowing Machine Set
It is used to blow various plastic films of low-density polyethylene (LDPE), high-density polyethylene(HDPE), and linear low-density polyethylene (LLDPE), etc. It is widely used for packing foodstuffs, garments, textiles, daily-use articles, and industrial products, etc.
Mini Mono Highspeed/Performence
MINI-45-PRO
Mini Mono High-speed/Performence
Wenzhou Chenqi MINI MONO High Speed MINI MONO High-Speed Mini Film Blowing Machine is a compact, high-efficiency monolayer film blowing machine designed for small-batch, high-quality film production.
Single-Screw High-Low Pressure Blown Film Machine
MONO PRO
Single-Screw High-Low Pressure Blown Film Machine
Mono Layers Single Screw Film Blowing Machine Pro Series is suitable for producing plastic films such as high-density polyethylene (HDPE), low-density polyethylene (LDPE), and linear low-density polyethylene (LLDPE).
Mini Film Blowing Machine With Lifting Mechanism
MINI MONO
Mini Film Blowing Machine With Lifting Mechanism
High speed mini film blowing machine is a type of blown film equipment with a small size and high production efficiency.
Biodegradable Film Blowing Machine
MONO BIODEGRADABLE
Biodegradable Film Blowing Machine
A biodegradable film blowing machine is a specialized piece of equipment used for producing biodegradable plastic films. During the production process, biodegradable materials such as low-density polyethylene (LDPE), high-density polyethylene (HDPE), linear low-density polyethylene (LLDPE), polylactic acid (PLA), and corn starch particles are mainly used as raw materials.
Double Color Film Blowing Machine Set
S-40D×2×700
Double Color Film Blowing Machine Set
The double color film blowing machine set is used for blowing various low-density polyethylene (LDPE) and high-density polyethylene (HDPE) colour-striped plastic films, etc. These are widely used for packing food, fruit, garments, textiles, daily necessities, and other civil and industrial products.
Technical Highlights
How do our technical highlights work for you?
Raw material feeds into single extruder – melt flows through die, bubble forms and cools, then hauled off and wound into finished rolls.
General-Purpose Optimized Screw
01. General-Purpose Optimized Screw
A 32:1 length-to-diameter ratio screw optimized exclusively for single-layer models, meeting the plasticizing requirements of virgin material, standard recycled material, and low-filler calcium carbonate compounds. It ensures uniform plasticization and stable output, with no crystalline spots or granules.
Lightweight, High-Stability Machine Frame Design
02. Lightweight, High-Stability Machine Frame Design
The machine frame is thickened and reinforced, resulting in minimal vibration and low noise during operation. The stability of film bladders produced at high speeds far exceeds that of simple models in the same price range from competitors, with no shaking or deviation even during prolonged 24-hour operation.
Minimal Maintenance, Ultra-Low Operating Costs
03. Minimal Maintenance, Ultra-Low Operating Costs
With a streamlined structure, low failure rate, and a high degree of parts interchangeability, long-term maintenance costs are extremely low. Paired with a permanent magnet variable-frequency drive system, it offers significant electricity cost savings during long-term mass production.
Intelligent Control System
04. Intelligent Control System
Equipped with an intelligent fault self-diagnosis system, it provides real-time pop-up alerts for issues such as abnormal temperatures, motor overloads, abnormal air pressure, and tension fluctuations, and automatically shuts down the machine to protect it, thereby reducing the equipment failure rate.

CE certified MONO single-layer film blowing machine. ISO 9001 quality with permanent magnet direct drive for 20-30% energy savings.

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Advantages compared with competitors
Comparison of shortcomings with peers
  • Screw Material:Single nitrided – limited life
  • Drive System:Belt + gearbox – energy loss
  • Recycled Material:Poor – frequent breaks
  • Frame:Lightweight – vibration
  • Temperature Control:±1°C single-zone
vs
Advantages of CHENQI
  • Screw Material:Bimetallic coated – 3-5x longer life
  • Drive System:Permanent magnet direct drive – 20-30% saving
  • Recycled Material:Excellent – universal screw design
  • Frame:Reinforced heavy-duty – stable 24/7
  • Temperature Control:±0.5°C multi-zone PID – precise
FAQ
Find Q&A related to customization and services for solutions:
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What is the MONO film blowing machine?

The MONO (single-layer) film blowing machine produces single-layer films using a single extruder. It is the most cost-effective solution for simple packaging applications like shopping bags, garbage bags, and protective films.

What materials can it handle?

The MONO machine handles LDPE, HDPE, LLDPE, and recycled materials – with a universal optimized screw that balances virgin, recycled, and low-filled calcium powder materials.

What is the output range?

Output ranges from 20-150 kg/h depending on screw diameter, film width, and material type – suitable for small to medium-scale production.

What is the energy saving compared to conventional machines?

Permanent magnet direct drive saves 20-30% energy compared to belt-driven conventional machines – eliminating belt losses and reducing electricity costs significantly in long-term production.

What is the film thickness tolerance?

The MONO machine achieves ≤±5% thickness tolerance – suitable for standard packaging applications. For tighter tolerance requirements, consider our coextrusion models.

The CHENQI Making the Difference
Tailored for your success
With years of engineering experience, we provide a MONO film blowing machine configuration that exactly meets your film width, thickness, and output requirements – optimal film quality with maximum efficiency.
Invest today – benefit long-term
Ready for the future: flexibly process different materials including virgin, recycled, and low-filled compounds with high output on various film applications. Energy-efficient permanent magnet direct drive saves 20-30% on electricity. Your MONO solution grows with your business.
One-stop integration
From extrusion to winding – we at CHENQI see ourselves as your central partner for seamless end-to-end compatibility. Our MONO machines integrate perfectly with downstream printing and bag making equipment for a complete production line.
The CHENQI Making the Difference
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