Special Containers Manufacturers & Quotes

Standard ISO containers are engineered for general dry cargo with uniform weight distribution and standard end-door access. Special containers—such as open-top, side-opening, flat-rack, tank, and DNV offshore units—require modified load paths. For example, side-door units utilize reinforced top corner headers and heavier corner posts (up to 6mm Corten-A) to compensate for the elimination of continuous corrugated side panel shear strength. Offshore units require full structural material traceability, specific weld penetration criteria, and integrated lifting slings certified to DNV 2.7-1.

To provide an actionable engineering quote, our team requires: (1) Gross target payload weight and cargo dimensions; (2) Required handling modes (e.g., top-lift spreader, forklift pockets, offshore crane sling); (3) Internal climate control limits (ambient temperature range, desired pull-down rate, power supply voltages like 380V/460V 3-phase); (4) Classification society approvals needed (BV, CCS, DNV, LR, ABS); and (5) Specific door architectures (full-side opening, end bi-fold, motorized roller shutter).

All fabricated steel components undergo SA 2.5 grit-blasting to remove mill scale and oxidation. We then apply a high-durability C5-M marine-grade coating system: a zinc-rich epoxy primer (minimum 30-40 μm), an epoxy micaceous iron oxide intermediate coat (40-60 μm), and an aliphatic polyurethane topcoat (40-50 μm), resulting in a dry film thickness (DFT) exceeding 120-150 μm. Hot-dip galvanization is standard for exposed fittings, hinges, locking rods, and offshore sling brackets.

Standard custom builds (e.g., customized roll-up door reefers, high-cube side doors) typically require 2 to 3 weeks for CAD drafting, FEA structural simulation, and client drawing approval. Physical fabrication, assembly, coating, and third-party inspection require approximately 25 to 35 working days depending on component availability (such as specialized refrigeration units from Carrier or Daikin). Pre-delivery factory acceptance tests (FAT) are executed prior to coastal port transfer.

Yes. Every pre-owned reefer or dry container in our port inventory undergoes a comprehensive inspection against IICL (Institute of International Container Lessors) criteria. Reefer units are subjected to an automated Pre-Trip Inspection (PTI) to verify compressor cycles, thermostatic expansion valves, insulation performance, and electrical insulation resistance. CSC safety inspection plates are updated or renewed accordingly.