The practical answer depends on the part function, material, quantity, tolerance, finishing and inspection requirements. A factory review before production helps convert those requirements into a controlled process.
Send drawings, models, material details, quantity, finish and any inspection or packaging requirements.
Early review can identify process, fit, finishing, inspection and delivery risks while changes are still manageable.
Send drawings, samples, materials, quantity, tolerance, finishing, inspection and packaging requirements. Nbfeiyu can review manufacturability, process route, quality checkpoints and quotation details before production.
