Upon discovering rust, immediately notify the carrier/shipping company, insurance company, freight forwarder, and supplier in writing (email is best).
Take comprehensive photos and videos of the rusted goods, including: the original condition of the container/ship hold when opened, close-ups of the rusted areas, cargo labels/marks, packaging condition, etc. Determine liability at which stage the rust occurred.
Based on the liability determination, decide whether to file a claim with the supplier, shipping company, or the insurance company.

The situation can be avoided later
Before loading the goods, commission a third-party inspection agency to inspect and record the surface condition of the steel.
If any defects are found in the goods before loading, require the carrier to make accurate annotations on the mate's receipt and bill of lading.
Clearly stipulate in the purchase contract: rust acceptance standards (such as allowable rust level and area ratio), quality objection period, claim process, etc.

Time：27/07/2026 17:41:39

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