China Liner Bag Manufacturers Suppliers - Customized Liner Bag Wholesale

Your Professional Liner Bag Supplier

Haosence Packaging is a professional manufacturer of FIBC big bags with 19 years of industry experience. We focus on producing reliable, multi-functional packaging solutions that help customers improve efficiency and control costs. Our product range includes FIBC big bags, jumbo bags, bulk bags, PP sling bags, valve bags, and other woven packaging products.

Proven Manufacturing Capacity

Over 200 skilled workers and 10 production lines ensure stable output and on-time delivery, even for large-volume orders.

Strict Quality Control

Each bag is inspected individually by a dedicated QC team to meet international standards and buyer expectations.

Global Market Experience

Long-term exports to the USA, Canada, Australia, and Southeast Asia help us support buyers with market-ready solutions and smooth cooperation.

PE Liner Bag
PE Liner Bags are inner bags made from polyethylene (PE) and can be classified into types such as LDPE, LLDPE, and HDPE depending on the material. Thanks to their lightweight design, high barrier properties, and eco-friendly
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Bottle Neck PE Liner Bag
Bottle Neck PE Liner Bag is a polyethylene (PE) inner bag with a bottle-neck design, allowing easy and controlled filling and dispensing of liquids or granular materials. Compared to flat or open-top liners, the bottle-neck design improves
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Shaped PE Liner
Shaped PE Liner is a custom-molded inner bag made from polyethylene (PE), designed to match the structure of the outer bag and meet specific filling requirements. Lightweight yet durable, with chemical resistance and high barrier
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Baffle PE Liner
Baffle PE Liner is a polyethylene (PE) inner bag with reinforced baffles. The baffle panels have flow or vent holes that prevent material from piling up and stop the bag from expanding into a cylindrical shape after filling, maximizing
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Aluminum Liner Bag
Aluminum Liner Bag is made from a combination of aluminum foil and plastic materials, usually with a three-layer structure: an outer layer of polyester (PET) or nylon (NY), a middle layer of aluminum foil, and an inner layer of
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Specification

Raw Material	Aluminum Foil+PE/PP+Other
Layer	Single layer
Dimension	As customer's requirements
Quality Assurance & Standards	ISO 21898

Types of Liner Bag

The liner bags produced by our company mainly include the following types:

PE Liner Bag

PE Liner Bags are inner bags made from polyethylene (PE) and can be classified into types such as LDPE, LLDPE, and HDPE depending on the material.

Baffle PE Liner

Baffle PE Liner is a polyethylene (PE) inner bag with reinforced baffles. The baffle panels have flow or vent holes that prevent material from piling up and stop the bag from expanding into a cylindrical shape after filling, maximizing space efficiency.

Aluminum Liner Bag

Aluminum Liner Bags are made from a combination of aluminum foil and plastic materials, usually with a three-layer structure: an outer layer of polyester (PET) or nylon (NY), a middle layer of aluminum foil, and an inner layer of polyethylene (PE) or polypropylene (PP).

Advantages of Liner Bag

01/

Product Protection
Liner bags safeguard bulk products from external contaminants, moisture, and environmental factors during transit, preserving their quality and integrity.

02/

Easy Handling
Liner bags simplify the loading and unloading of bulk products, reducing the need for additional packaging materials like sacks or drums.

03/

Cost-Efficiency
By reducing the need for additional packaging materials and streamlining handling processes, liner bags can help lower transportation and storage costs.

04/

Increased Load Capacity
Liner bags maximize the capacity of standard shipping containers, allowing for the transport of more product in a single shipment.

05/

Environmental Sustainability
Many liner bags are reusable and recyclable, contributing to sustainable and eco-friendly packaging practices.

06/

Versatility
Liner bags can be used for a wide range of bulk products, from foodstuffs and agricultural products to chemicals and minerals.

Applications of Liner Bag

Agriculture

Farmers and agribusinesses use liner bags to transport grains, seeds, and animal feed. These liners ensure that the produce remains dry and free from contamination.

Chemicals

The chemical industry benefits from liner bags by transporting powders, granules, and hazardous materials safely and efficiently.

Food Processing

Bulk ingredients like sugar, salt, and flour are commonly transported using food-grade liner bags, which maintain hygiene standards.

Mining and Minerals

liner bags are ideal for heavy-duty applications like shipping ores, sand, and other bulk minerals.

Plastics and Resins

Industries that rely on raw plastic pellets or resins use liner bags to prevent contamination and ensure smooth handling.

Installation Steps for the Liner Bag

Cleaning
Before inserting the liner, ensure that the container is clean and free from any debris or contaminants. This will prevent any damage to the liner and maintain product integrity.

Position The Liner
Gently place the liner inside, ensuring it is properly aligned with the interior walls. Make sure the liner covers all sides and the bottom.

Smooth Out Wrinkles And Folds
Carefully smooth out any wrinkles or folds in the liner to maximize its effectiveness. These can create weak points or spaces that can compromise the liner’s ability to contain and protect the product.

Secure The Liner
Once the liner is positioned correctly, securely fasten it. This can be done by using liner clips, tape, or other suitable fasteners. The secure attachment will prevent any movement or shifting of the liner during transportation, maintaining its integrity and performance.

Inspect And Adjust
After securing the liner, inspect it once again to ensure there are no visible wrinkles or folds. If necessary, make any necessary adjustments to smooth out the liner further.

Precautions for Using Liner Bags

Choose the Right Liner Bag

Select a liner bag that matches the specific requirements of your cargo, such as moisture resistance or food-grade certifications.

Proper Installation

Ensure the liner bag is correctly secured within the container to prevent shifting or damage during transit.

Regular Inspections

Inspect the liner bag for any signs of damage or wear before use to maintain product integrity.

Compliance with Standards

Adhere to industry standards and regulations for transporting goods, especially when dealing with hazardous or sensitive materials.

Packaging and Shipping

Packaging	Carton and wooden case, also be packged according to customer requirements.
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Factory

As a direct manufacturer of FIBC bags, we operate with 200+ workers and maintain 10 production lines each month.

Our Certificates

FAQ

Q: What is a liner bag?

A: A liner bag is an inner bag placed inside a bulk bag or container. The liner bag protects products from moisture, dust, and contamination during storage and transport.

Q: Why use a liner bag?

A: A liner bag prevents moisture, dirt, and contamination. Using a liner bag improves product safety and quality during transportation and storage.

Q: What products are packed in a liner bag?

A: Powders, granules, chemicals, food, fertilizer, and minerals are commonly packed in a liner bag inside a bulk bag.

Q: Can a liner bag be reusable?

A: Yes, some liner bag designs are reusable if handled properly. Reusable liner bag helps reduce waste and costs.

Q: Can a liner bag be heat-sealed?

A: Yes, a liner bag can be heat-sealed or tied. This ensures product protection and prevents leakage during transport.

Q: How is a liner bag stored?

A: Liner bag can be folded flat and stored in a dry, clean place. This saves space and prevents damage.

We're well-known as one of the most reliable liner bag manufacturers and suppliers in China, featured by quality products and good price. Please feel free to wholesale customized liner bag made in China here from our factory. Browse our website now.

Aluminum Liner Bag, Bottle Neck PE Liner Bag, liner bag