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Super Freezer Containers

-70°C Ultra-Low Temperature Storage for Critical Cargo

ZGROUP USA’s Super Freezer Containers are engineered to deliver extreme cold chain protection for the world’s most sensitive products — from sashimi-grade tuna to biotech vaccines.

Built with Thermo King’s cascade refrigeration technology, these units achieve and maintain temperatures down to -70°C (-94°F) — making them the only truly mobile ultra-cold solution for domestic storage and international transport.

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    Why Choose ZGROUP’s Super Freezer?

    Group 1004

    -70°C to -10°C Operating Range

    ideal for seafood, pharma, biotech & research

    fast-delivery

    Storage or Transport

    rugged enough for sea, air, or land freight, and fully certified for stationary use

    Cascade Technology

    advanced dual-circuit refrigeration using R-134a + R-23 gases

    cold-storage-img-1

    Smart Monitoring

    factory-installed real-time telematics for remote data & alerts​

    GDP Pharma Certified

    validated for vaccine storage and pharmaceutical logistics​

    Genset Compatible

    optional backup generator integration for power continuity

    Available Sizes

    10ft and 20ft marine-grade containers with reinforced insulation and easy-access design

    Built for the Coldest Supply Chains on Earth

    Seafood-Grade Freezing (Tuna, Crab, Sashimi)

    In tuna processing, quality equals temperature — and ZGROUP’s Super Freezer maintains ultra-low temperatures even in the harshest marine or dockside conditions.
    With flat aluminum floors, sealed doors, and high-grade insulation, your catch stays safe from microbial degradation and oxidation – all while remaining mobility-ready for export or onsite storage.

    “At -70°C, enzymatic activity and microbial spoilage stops completely

    ensuring pristine color, texture, and flavor even after weeks of storage.”​

    Pharma-Grade Cold Chain (Vaccines, APIs, Biotech)

    ZGROUP’s Super Freezer is fully GDP Pharma Certified, making it suitable for:

    ZSTORE XL combines the best of all four.

    Each unit undergoes extensive temperature mapping and validation with 30+ data points and sensors, ensuring ±1°C precision control across the chamber​​.

    “This is not just a reefer — it’s a certified pharmaceutical-grade freezer container.”

    Technical Highlights

    Feature

    Specification

    Temperature Range

    70°C to -10°C

    Temperature Control

    ±1°C precision

    Refrigeration Type

    Cascade system (R-134a & R-23)​

    Power Options

    3-phase / Genset

    Sizes Available

    10ft & 20ft ISO

    Certifications

    GDP Pharma, ISO1496-2, USDA, CE, AHRI, ABS, TIR

    Container Format

    CSC compliant, forklift and crane movable​

    Advanced Monitoring & Control

    Use Cases

    Industry

    Use Case

    Seafood

    Long-term tuna and sashimi preservation at -60°C to -70°C

    Biotech & Pharma

    Vaccine logistics, raw materials, blood plasma storage

    Research Labs

    R&D sample and compound storage

    Electronics

    Sensitive components, semiconductors, battery testing

    Food Ingredients

    Cultures, enzymes, dairy ferments

    Aerospace

    Testing of composites and materials

    Sizes & Container Specs

    Container Internal Volume Temp Range Certifications
    10ft
    ~11.1 m³
    -70°C to -10°C
    GDP Pharma, CSC, ISO1496-2
    20ft
    ~24.3 m³
    70°C to -10°C
    GDP Pharma, CSC, ISO1496-2

    Dimension

    Length(ft) Width(ft) Height(ft)
    External Dimension
    20
    8
    9.6
    Internal Dimension
    17.6
    7.5
    8.5
    Max Cargo Height
    8
    Floor Area
    132

    Operation

    Power Requirement
    400~500V – 3 phase – 60Hz
    Protection
    32Amp Breaker
    Temperature Range
    -40F to +102F
    Refrigerant Gas
    R-404a | R-134a

    Dimension

    Length(ft) Width(ft) Height(ft)
    External Dimension
    40
    8
    9.6
    Internal Dimension
    37.7
    7.5
    8.5
    Max Cargo Height
    Floor Area
    282.75ft²

    Operation

    Power Requirement
    400~500V – 3 phase – 60Hz
    Protection
    32Amp Breaker
    Temperature Range
    -40F to +102F
    Refrigerant Gas
    R-404a | R-134a

    Dimension

    Length(ft) Width(ft) Height(ft)
    External Dimension
    53
    8
    9.6
    Internal Dimension
    51.1
    7.5
    8.5
    Max Cargo Height
    8
    Floor Area
    383.25

    Operation

    Power Requirement
    400~500V – 3 phase – 60Hz
    Protection
    32Amp Breaker
    Temperature Range
    -40F to +102F
    Refrigerant Gas
    R-404a | R-134a

    Standard features: flat floor, internal lighting, low-temp curtains, escape hatch, door switch, vacuum valve​

    Certified & Compliant

    All units are delivered fully tested and certified with individual Pharma GDP documentation per container.

    Complies with:

    Fast Deployment – Anywhere in the U.S.

    ZGROUP’s Super Freezer units are built to ship fast and run instantly — plug into a 3-phase outlet or genset and you’re operational.
    Mobility + performance = the future of ultra-cold storage.

    Ready to Go Below -70°C?

    ZGROUP’s Super Freezers are not just cold — they’re certified, dependable, and mobile. Whether you’re storing sensitive biotech materials or premium seafood, we’ve got your cold chain covered.

    Speak to one of our cold chain experts today

    Simple enter your details into the form and we will endeavour to get back to you within two working days.