HeBei Datang Laser Technology Co., Ltd.
HeBei Datang Laser Technology Co., Ltd.
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    As global food safety and traceability standards continue to increase, laser marking technology is rapidly becoming the preferred identification method for food packaging. Compared with traditional inkjet printers, laser coders offer permanent, high-precision, eco-friendly, and zero-consumable marking. This makes laser marking an ideal solution for production date coding, batch numbers, QR codes, and traceability codes in the food industry.


    DAT Laser, a leading manufacturer of industrial laser marking systems, provides high-performance, cost-effective solutions customized for food production lines. Our laser makers help manufacturers improve efficiency, ensure compliance with global food standards, and reduce long-term operating costs.


    Advantages of Laser Marking in the Food Industry

    The introduction of laser marking has greatly improved the level of identification technology. When applied to food packaging, laser marking offers several advantages:

    • Low maintenance rate

    • High marking speed

    • Diversified marking content  (dates, batch codes, traceability codes, QR codes)

    • Automatic cleaning & easy operation

    • Perfectly matches high-speed production lines

    It’s clear that laser marking machines will become the primary choice for the future of food packaging identification.

    Before purchasing a laser marking machine, understanding the working principles and marking results on different packaging materials can help companies make smarter decisions.


    How Laser Marking Machines Work

    Laser marking systems create permanent codes by interacting with the surface of packaging materials. Based on processing principles, laser marking can be divided into:


    1. Thermal Processing (CO₂ / Fiber Laser)

    The laser beam heats the material, causing micro-melting or color contrast.
    ✔ Ideal for paper boxes, PET bottles, plastic film, aluminum foil, and coated packaging.


    2. Cold Processing (UV Laser)

    UV laser photons break chemical bonds with almost no heat effect.
    ✔ Perfect for thin films, laminated pouches, flexible food packaging, and heat-sensitive materials.

    Laser type selection affects marking clarity, line speed, and durability—making correct model selection essential for food manufacturers.


    Application of Laser Marking in Various Food Packaging Scenarios

    Laser marking machines can deliver high-contrast, permanent codes across diverse materials:


    1. Vacuum Packaging

    • Codes remain readable after freezing, heating, or high-pressure sterilization.


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    2. Flexible Packaging Film

    • Widely used for snacks, sauces, frozen food, and ready-to-eat meals.


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    3. Metal Packaging (Cans, Lids)

    • Resistant to abrasion, condensation, and corrosion.


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    4. PET Bottles

    • Suitable for water, juice, edible oil, dairy drinks, etc.

    • No ink smearing or fading—even in high-speed bottling lines.

    With the right laser system, manufacturers can achieve higher efficiency and more reliable traceability.


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    4. Why Leading Food Manufacturers Choose DAT Laser

    DAT Laser is widely recognized for its high performance, durability, and engineering expertise. Our solutions are specifically optimized for food packaging production lines.

    ✔ Extensive Industry Experience

    Years of R&D and production experience; products used widely across global food factories.

    ✔ Optimized for Food Packaging Materials

    Supports PET, vacuum bags, aluminum foil, plastic film, and metal packaging.

    ✔ Zero Consumables = Long-Term Cost Savings

    No ink or solvent purchases, lower maintenance, lower operating cost.

    ✔ High-Speed, High-Definition Coding

    Perfect for modern automated lines, ensuring permanent and scannable QR codes and date codes.

    ✔ Customizable Solutions

    We provide tailored laser marking systems for:

    • Beverage production lines

    • Snack packaging

    • Frozen food packaging

    • Canned food and metal lids

    • Fresh food and agricultural products

    ✔ Full Technical Support

    Installation guidance, operator training, and fast after-sales service.

    ✔ Free Sample Marking Test

    Customers can submit packaging materials for free marking evaluation.

    DAT Laser is committed to helping food manufacturers build smarter, more efficient, and more competitive production lines.


    Ready to Upgrade Your Food Coding System? Contact  DAT Laser Today

    If your factory needs:

    • High-speed laser marking machines

    • Food packaging laser coding solutions

    • Permanent QR codes / variable data coding

    • Cost-efficient traceability systems

    • Free marking samples

    DAT Laser is ready to support your production needs.


    Please contact us and fill in your information:


    DAT Laser—Your reliable partner for professional, stable, and high-performance laser marking solutions.


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