How do I verify Onion storage loss and grading loss before shipment?
We want to avoid the classic Onion problem: storage loss and grading loss. What is the practical pre-shipment check?Get a third-party inspection at origin with lot-level sampling, and keep a sealed retention sample. For Onion ask specifically how they control storage loss and grading loss — a supplier who answers with a procedure, not a promise, is the one to keep.
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