-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.
ideal for seafood, pharma, biotech & research
rugged enough for sea, air, or land freight, and fully certified for stationary use
advanced dual-circuit refrigeration using R-134a + R-23 gases
factory-installed real-time telematics for remote data & alerts
validated for vaccine storage and pharmaceutical logistics
optional backup generator integration for power continuity
10ft and 20ft marine-grade containers with reinforced insulation and easy-access design
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:
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.”
Long-term tuna and sashimi preservation at -60°C to -70°C.
Vaccine logistics, raw materials, blood plasma storage.
Sensitive components, semiconductors, battery testing.
R&D sample and compound storage.
Standard features: flat floor, internal lighting, low-temp curtains, escape hatch, door switch, vacuum valve
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.
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.
Request a quote now or call +1 (305) 924-6843 for expert guidance.
