Most reefers bottom out near –30 °C. But mRNA ingredients, certain biologics, and sashimi-grade seafood require far colder set-points. Our shipping container freezer maintains –40 to –70 °C even in tropical climates—no dry-ice top-offs, no liquid-nitrogen bills. Read More Plug-and-Play Mobility At ISO 20′ × 8′ × 8′ 6″, the unit lifts via standard twist-locks, slides on a tilt-bed truck, or docks at a marine terminal—all while keeping product frozen. No purpose-built building or local permits: instant cold storage wherever grid power or a generator exists.