Views: 0 Author: Site Editor Publish Time: 2026-09-16 Origin: Site
A plastic bag making machine turns film rolls into finished bags through feeding, sealing, cutting, perforating, punching, stacking or rewinding. The basic process sounds simple, but the equipment needed for a flat produce bag is very different from the machine used for T-shirt bags, garbage bags on rolls or stand-up pouches.
This is why buyers should compare manufacturers by the bags they actually plan to sell. Maximum speed alone does not show whether a machine can control printed film, maintain seal quality or change efficiently between different bag sizes.
The following eight plastic bag making machine manufacturers serve different parts of the converting market in 2026. Some focus on accessible PE bag production, while others supply high-output converting systems for established packaging plants.
Before approaching a manufacturer, buyers should define the finished bag as clearly as possible. The film material, bag style, sealing position, handle design and delivery format all affect the machine configuration.
A flat bag may only require feeding, heat sealing, cutting and stacking. A supermarket T-shirt bag also needs handle punching. Garbage bags sold on rolls require perforation, counting and rewinding, while printed courier bags need accurate registration control.
The same is true for production volume. A small converter running several bag sizes may value simple changeovers more than the highest possible speed. A large factory producing one bag size across several shifts may place greater importance on multi-lane output and automatic collection.
Manufacturer | Country or region | Main bag-making focus |
|---|---|---|
Mingyang Machinery | China | Flat bags, T-shirt bags, roll bags and cold-cut bags |
Mamata Machinery | India | Side-seal bags, bottom-seal bags, wicketers and pouches |
Hudson-Sharp | United States | Wicketed bags, pouches and reclosable packaging |
CMD Corporation | United States | Garbage bags, drawtape bags and bags on rolls |
LEMO Maschinenbau | Germany | Customized film bag and sack production systems |
Hemingstone Machinery | Taiwan | High-speed T-shirt, shopping and garbage bag machines |
S-DAI Industrial | Taiwan | Side-seal, bottom-seal, zipper and specialty bag machines |
Lian You Machinery | Taiwan | Shopping, courier, hygiene and heavy-duty bag machines |
Jiangyin Mingyang Packaging Machinery Co., Ltd., also known as SUNPLAS, supplies film blowing, printing and bag converting equipment. Its plastic bag making machines cover flat bags, T-shirt bags, roll bags and other common PE packaging products.
This range is useful for factories that want to connect film production with downstream converting. Instead of purchasing an isolated bag machine, buyers can discuss how film width, thickness, winding quality and printing registration will affect the final bag-making process.
One representative model is Mingyang’s high-speed flat bag making machine. It is designed for heat-sealed flat and bottom-seal bags made from HDPE, LDPE, LLDPE and PP film. According to the product specifications, it handles bag widths from 100 to 800 mm and film thicknesses from 0.01 to 0.10 mm.
For retail and refuse bags supplied in rolls, Mingyang also offers a dual-lane automatic bag-on-roll machine. The two independent channels support perforating, counting and rewinding, making it more suitable for roll-form products than a standard loose-bag stacker.
Mingyang is a practical option for buyers looking for common PE bag machinery, line customization and support connecting extrusion with bag conversion.
Mamata Machinery is an Indian manufacturer serving several stages of flexible-packaging production. Its converting portfolio includes side-seal machines, bottom-seal machines, universal bag makers, servo wicketers, pouch-making systems and special-purpose equipment.
This broad range gives buyers more flexibility when their product mix extends beyond ordinary PE shopping bags. A converter may use one platform for side-seal retail bags and another for stand-up, zipper or spouted pouches.
Mamata places a strong emphasis on servo control and automated converting. Its machines are aimed at packaging companies that need precise feeding, repeatable seals and frequent changes between different bag or pouch specifications.
The company may be particularly relevant to growing converters that want to expand from simple plastic bags into more complex flexible-packaging formats without changing to a completely different machinery supplier.
Hudson-Sharp is a long-established bag-converting equipment brand now operating within BW Converting. Its machinery range covers wicketers, flat-belt machines, bottom-seal systems, pouch-making equipment and pre-applied closure solutions.
Wicketed bags are widely used in bakery, food, hygiene and other automated packing operations. These bags must be collected accurately on wire wickets so that they feed reliably into the next packaging stage. Hudson-Sharp’s equipment is therefore aimed at converters that need more than basic sealing and cutting.
The company also supplies equipment for stand-up pouches, side-gusset bags and reclosable packaging. Technologies such as pre-applied zippers allow converters to add opening and closing features before the bag reaches the filling line.
Hudson-Sharp is likely to suit established producers working with demanding retail, food or consumer packaging rather than factories focused only on ordinary loose PE bags.
CMD Corporation is an American manufacturer specializing in bag and pouch converting systems. Its equipment range includes bottom-seal machines, drawtape systems, star-seal garbage bag lines, specialty pouch equipment, winders and roll-bag systems.
The company also owns the FAS Converting Machinery brand, which focuses on plastic film converting and bags on rolls. This gives CMD coverage across several high-volume refuse and household bag applications.
CMD may be a suitable choice for factories producing garbage bags, drawtape bags, carryout bags and other products that require controlled sealing, folding or automatic winding. Some systems can run from parent film rolls, while others may be integrated with upstream extrusion equipment.
Because these lines can include several production stages, buyers should compare the entire process rather than the bag machine alone. Winding, folding, perforation, core handling and finished-roll transfer can all influence real production efficiency.
LEMO Maschinenbau is a German manufacturer of customized film converting and packaging machinery. Its systems are developed for different bag, sack and film-packaging requirements.
The INTERmat series supports high-speed film processing, while the ROLLOmat range is designed for bags and sacks supplied on rolls. LEMO also develops customized CAPmat systems and automation modules for collecting and packing finished bags.
The company may be considered when an off-the-shelf machine cannot produce the required bag efficiently. Examples include logistics bags, security bags, large sacks or products requiring several converting and packaging steps in one line.
Customized machinery can reduce manual handling and combine operations, but it requires a more complete technical discussion. Buyers should provide product drawings, film samples, packaging method and expected output before the line is designed.
Hemingstone Machinery is a Taiwanese manufacturer with an extensive range of plastic bag production equipment. Its products include T-shirt bag machines, shopping bag machines, garbage bag machines, bottom-seal systems, side-seal systems and handle-forming equipment.
The company offers multi-lane machines for high-volume bag production. Depending on the model, its systems can combine hot slitting, servo feeding, handle punching and automatic collection.
Hemingstone is particularly relevant to factories producing supermarket bags, calendar bags, soft-loop handle bags, patch-handle bags and garbage bags. It also offers machinery for larger or heavier bag formats.
When comparing these high-speed machines, buyers should ask whether the stated rate refers to cycles per minute or finished bags per minute. A multi-lane machine can produce several bags in one cycle, so the two figures are not interchangeable.
S-DAI Industrial is another Taiwanese manufacturer specializing in plastic bag machinery. Its range covers side-seal machines, bottom-seal machines, zipper bag machines, wicket machines, bag-on-roll equipment, perforation systems and specialty sleeve production.
This variety makes S-DAI suitable for converters that produce several types of bags rather than one standard format. The company also develops machines for flower sleeves, sheet protectors, heavy-duty bags and other less common applications.
S-DAI states that its machines can be customized according to film material, bag shape and production requirements. This can be useful when a buyer has an established product that does not fit standard machine dimensions.
The quotation should clearly separate the base machine from optional punching, folding, gusseting, zipper or rewinding equipment. Otherwise, two proposals that appear similar may cover very different production capabilities.
Lian You Machinery is a Taiwanese manufacturer of plastic bag converting equipment. Its range includes side-seal and bottom-seal machines, shopping bag equipment, courier bag machines, hygiene bag systems and heavy-duty bag-making machinery.
The company offers machinery for loop-handle, die-cut-handle, drawtape and patch-handle bags. It also supplies two-lane bottom-seal equipment with independently controlled servo feeding and photocells for printed film.
Lian You may be relevant to converters serving several customer groups, from retail shopping bags to courier and hygiene packaging. Its wide product range allows buyers to select a machine around the specific sealing and handle structure.
As with any multi-function system, the factory should confirm which bag styles can be produced without changing major mechanical units. Optional capability listed in a catalogue may still require additional devices or downtime between products.
The machine type should follow the way the bag is sealed, handled and supplied to the customer.
Finished product | Suitable machine type | Main points to check |
|---|---|---|
Flat produce or garment bags | Flat bag heat-seal and cutting machine | Seal quality, width range and stacking |
T-shirt shopping bags | Hot-cut or cold-cut T-shirt bag machine | Handle punch, lane count and film registration |
Garbage bags on rolls | Bag-on-roll machine | Perforation, bag counting and rewinding |
Courier bags | Side-seal or specialty bag machine | Printed-film registration, adhesive strip and closure |
Wicketed bakery bags | Wicketer | Hole position, stack accuracy and downstream feeding |
Zipper bags | Side-seal zipper bag machine | Zipper alignment and sealing control |
Heavy-duty sacks | Heavy-gauge bottom-seal machine | Film thickness, sealing pressure and cooling |
Stand-up pouches | Dedicated pouch-making machine | Layer structure, gusset forming and seal inspection |
A general-purpose machine can be useful for mixed production, but it may not be the fastest option for every bag. A dedicated machine normally performs better when the factory runs one product in large volumes.
Heat-seal and cutting machines use controlled temperature and pressure to form the seal before separating the bag. They are widely used for flat bags, bottom-seal bags and many general PE applications.
Hot-cutting systems can seal and cut tubular film while forming bags such as supermarket T-shirt bags. The process needs stable temperature control because excessive heat can distort thin film, while insufficient heat can leave a weak seal.
Cold-cutting machines are used for suitable film and bag structures where the cutting process does not rely on a continuously heated cutting bar. The exact sealing arrangement varies between machines, so buyers should ask the manufacturer to explain how the seam is formed and which materials have been tested.
The correct choice depends on film type, thickness, bag design and required speed. Manufacturers should ideally test the buyer’s film before final machine approval.
A multi-lane machine can increase output when the parent roll is wide enough to produce two or more narrow bags side by side. This is common in T-shirt bags, produce bags and other high-volume retail products.
However, more lanes do not always mean better efficiency. Every lane needs stable feeding, cutting and collection. Printed film also requires accurate tracking so that the graphics remain correctly positioned.
Factories producing many widths may prefer a flexible single-lane machine, while factories running large orders of one narrow bag may gain more from a double- or multi-channel design.
Mingyang’s double-channel T-shirt bag making machine, for example, is designed for two-channel production using tubular HDPE or LLDPE film. This type of equipment suits high-volume shopping bag orders better than a standard flat-bag machine.
A useful quotation needs more than a request for an “automatic plastic bag machine.” Buyers should provide the bag style, minimum and maximum width, length, film material and thickness.
The manufacturer also needs to know whether the film is printed, whether registration marks are present and how the finished bags should be delivered. Loose stacks, wicketed packs and perforated rolls require different collection systems.
Production targets should be stated in both pieces per minute and daily output where possible. This helps the supplier check whether the machine speed, lane count and packing arrangement match the factory’s real order volume.
Power supply, compressed air, factory space and local safety requirements should also be confirmed before the machine is built.
A lower machine price may exclude important equipment such as an automatic unwinder, registration sensor, handle punch, gusseting device, stacker or rewinder. These items should be compared line by line.
Buyers should also check how speed is described. “Maximum mechanical speed” may be measured without printed film, handle punching or finished-product collection. A more useful figure is the expected continuous speed for the buyer’s normal bag size and film thickness.
Changeover time, scrap during startup and operator requirements also affect production cost. A slightly slower machine that changes sizes quickly and runs with fewer rejects may be more profitable for mixed orders.
Factory acceptance testing can reduce this uncertainty. If possible, the machine should be tested with the buyer’s film or a closely matched material before shipment.
Mingyang differs from manufacturers that focus only on converting because it also supplies film blowing and printing equipment. This can be useful for a new factory planning the process from PE resin to finished bags.
A project may combine blown film production, flexographic printing and bag making. The output and width of each stage must match so that one machine does not create a bottleneck for the next.
Mingyang’s range supports common products such as flat bags, shopping bags, garbage bags and roll bags. Its machines can also be configured around material, bag size and required output. Buyers can review its service and customization support when planning a new production line or adding a bag-converting section to an existing film plant.
The right choice among plastic bag making machine manufacturers depends first on the finished bag.
Mamata, Hudson-Sharp, CMD and LEMO serve converters that need advanced pouch, wicket, roll-bag or customized systems. Hemingstone, S-DAI and Lian You provide broad ranges covering shopping bags, garbage bags, side-seal bags and specialty products.
Mingyang offers flat-bag, T-shirt-bag and bag-on-roll equipment while also supplying upstream film blowing and printing machinery. This makes it suitable for buyers building a connected plastic bag production line or expanding from film rolls into finished bags.
Before ordering, buyers should share their bag samples, film specifications, target output and packing format. They can contact Mingyang to discuss a machine configuration and arrange a production test based on the intended bag.
Provide the bag type, dimensions, film material, thickness, printing details, desired speed and finished packing method.
Some machines support several sizes or bag styles, but handles, zippers, gussets and roll winding may require additional devices.
It can increase output for narrow bags, but film width, registration control and collection speed must support both lanes.
Yes. Testing the intended film helps confirm sealing, cutting, registration and realistic production speed.
Machine width, lane count, servo control, sealing method, printing registration, punching, stacking, rewinding and customization all affect the price.
