Grading only becomes useful when bulk measurements follow the approved size standards. Jinfeng links size grading with measurement QC so the production team can compare finished garments against the relevant size chart and tolerance requirements. Bust, waist, hip, dress length, strap, armhole, neckline, slit and other style-specific POMs can be included in the measurement plan.

Size management also continues into labels and packing. The correct garment size must match the size label, polybag identification, SKU information and carton breakdown. For multi-size fashion programs, a pattern error and a packing error create different problems but both can lead to returns or warehouse rejection.

The final objective is a coherent chain: approved base fit -> grade rules -> size patterns -> production measurements -> size identification. When those records stay aligned, a brand can develop a range rather than a single good sample. During production, measurement trends are more useful than isolated end-of-line checks. If a repeated size begins moving outside the approved range, the team can trace cutting, sewing or pressing conditions before the deviation spreads through the full order. Grading and QC therefore work as one control system rather than separate departments. The same discipline matters when a brand changes a size ratio for a reorder. Production quantity can shift toward different sizes without changing the grade rule itself, so pattern records and packing breakdowns must remain separate. Keeping those two systems clear prevents commercial assortment changes from creating accidental technical changes.