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Ruian Unionpack Automation Technology Co., Ltd

No. 518 Kaifa 2nd Road, Economic Development Area, Dongshan Street, 325200 Ruian City, Zhejiang
Telephone +86 577 66618600
Fax +86 577 66618600

Hall map

interpack hall map (Hall 13): stand E84

Fairground map

interpack fairground map: Hall 13

Our range of products

Product categories

  • 01  Packaging machines and devices
  • 01.02  Filling and packaging
  • 01.02.04  Fill and seal machines (FS) for
  •  Fill and seal machines (FS) for Bags

Our products

Product category: Fill and seal machines (FS) for Bags

Retort Bag Fill Seal Machine

Pouches Type for Retort Bag Filling Sealing Machine: 

All kinds of retort pouches, include flat type, stand-up type, suitable for Retort Bag Fill-Seal Machine.

Applications of Retort Bag Filling Sealing Machine:

1. Liquid: rice wine, soy sauce, rice vinegar, fruit juice, beverage, detergent, etc.
2. Thick liquid: tomato sauce, peanut butter, jam, chili sauce, bean paste, etc.
3. Other materials should be retorted.

 Main Features of Retort Bag Filling Sealing Machine:

Suitable pouches: all kinds of preformed retort pouches

Easy to operate: PLC controller, HMI system, fault indication on the touch screen.

Easy to adjust: only about 10 minutes to change different pouches.

Frequency control: speed can be adjusted by frequency conversion within the range. 

High automation: unmanned in weighing and packing process, machine alarm automatically when failure.

Safety and Hygiene of Retort Bag Filling Sealing Machine:

No pouch/ incorrect pouch opening-no fill-no seal, machine alarm.
Machine alarm and stop when the inadequate air pressure.
Safety guards with safety-switches, machine alarm and stop when the safety guards are opened. 
Hygienic construction, the product contact parts are adopted sus304 stainless steel.
Imported engineering plastic bearings, no need to oil, no contamination.
Oil-free vacuum pump, avoid the pollution of the production environmental.

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Product category: Fill and seal machines (FS) for Bags

Shaped Bag Filling Sealing Machine


1.  Solid: candy, chocolate, rock candy, cookies, cakes, peanuts, green beans, pistachios, nuts, cooked food, pickles, puffed food, daily necessities, etc.
2. Granule: MSG, chicken, sugar, melon seeds, nuts, capsules, granular medicines, seeds, feed, pesticides, fertilizers, chemical raw materials.
3. Powder: spices, monosodium glutamate, salt, glucose, refined sugar, milk powder, detergent powder, pesticides, fertilizers, chemical raw materials, etc.
4. Liquid: rice wine, soy sauce, rice vinegar, fruit juice, beverage, detergent, etc.
5. Thick liquid: tomato sauce, peanut butter, jam, chili sauce, bean paste, etc.
6. Other materials can be bagged.

Main Features: 

1. Suitable pouches: Various All kinds of preformed special shaped pouches
2. Shaped sealing: sealing the shaped bags according to the special shape.
3. Easy to operate: PLC controller, HMI system, fault indication on the touch screen.
4. Easy to adjust: only about 10 minutes to change different pouches.
5. Frequency control: speed can be adjusted by frequency conversion within the range. 
6. High Automation: unmanned in weighing and packing process, machine alarm automatically when failure.

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Product category: Fill and seal machines (FS) for Bags

Spout Bag Fill Seal Machine


  • Using variable frequency variable speed system, production speed can be adjusted.
  • Using precision slicer, high precision in rotary positioning.
  • Automatic bag feeding device, save labor cost.
  • Using quantity filling system, with high accuracy.
  • Using plug-in filling device, filling after vacuum, no spitting, foaming phenomenon.
  • Automatic cap arranging and feeding device.
  • Capping device can be adjusted to make sure perfect capping.
  • Automatically output.
  • Machine frame is stainless steel, coated with 304 S/S plate.
  • Organic glass door.

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Product category: Fill and seal machines (FS) for Bags

Doybag Fill Seal Machine

1.wide applications: various state and nature of liquid & thick liquid;
2.A wide range of pouches: all kinds of pre-made pouches;
3.Easy to operate: PLC controller, HMI system makes easy operation;
4.Easy to adjust: change different pouches within 10 minutes;
5.High automation: unmanned in weighing and packing process, machine alarm automatically when failure;
6.Perfect prevention system: when the bag is not opened or not opened completely, it will be non-filling and non-sealing, so the bags can be reused and the product is not wasted thus save the production cost;
7.The product contact parts are adopted SUS304 stainless steel to ensure sanitation and safety, meet the GMP standard;
8.Imported engineer plastic bearings, no need to oil, no contamination;
9.Vacuum generator: low consumption, high efficiency, cleaness, and long useful life;
10.Waterproof design:direct water-washing the machine surface,easy to clean, prolong the useful life
11.Pre-made bag packing: perfect sealing quality, upgrade the finished product.

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About us

Company portrait

Unionpack, as a professional overseas sales and service team for REZPACK who is one of China’s preeminent packaging machinery manufacturers, with more than two decades of experience in packaging machinery industry, our machine have been delivered to over 3000 companies in 30 countries. Our partners and technical consultants can be found in Europe, America and Southeast Asia, bringing us techniques and expertise from all over the world. Rezpack is certified to ISO9001 and CE standards, and have obtained more than 200 patents.

Home to over 200 talented employees, and the workshop spans 11000 square meters, we can produce 150 diverse sets of packing equipment in one month. Every machine is made based on customer’s requirements and carefully debugged before shipping.
Our R&D team is comprised of more than 30 people, to develops new equipment to keep up with ever changing technology and market demands. Besides, we have a professional after-service team, comprised of 20 people, who can provide one-to-one video calling, door-to-door service, as well as free technical training for our partners.

We do not only produce pouch packaging machine, thermoforming packaging machine but also cooperate with 15 professional factories to supply whole packaging solution. Out target is to create the extra value for our customers. The Customer is our Partner!

Company data

Target groups
  • Food
  • Confectionery products
  • Bakery products
  • Cosmetics
  • Beverages
  • Pharmaceuticals
  • Consumer goods (non-food)