Factory sourcing worksheet
Screen your volume, requested changes, and timing. Get a practical next step and an RFQ checklist before comparing a factory with catalog suppliers.

Treat certificates as evidence to verify, then agree the exact motor tests and the rules that apply to the finished product and its destination market.
Stock, custom scope, order quantity, and destination change the result. Use the same specification when requesting quotes.
| Compare | Catalog / distributor | Factory / OEM |
|---|---|---|
| Availability | Confirm stock, minimum pack, and shipping date. | Confirm sample, approval, production, and transit milestones. |
| Changes | Existing variants or local adaptation may be available. | Can assess a defined change; feasibility and charges need confirmation. |
| MOQ / one-time costs | Ask about sample units, pack size, and price breaks. | Quote MOQ, sample fees, engineering, and tooling separately for each revision. |
| Total landed cost | Include unit price, distributor handling, freight, and taxes/duties. | Include unit price, one-time costs, inspection, freight, taxes/duties, and inventory carrying cost. |
| Best next evidence | Stock confirmation and sample datasheet. | Approved drawing, sample test record, and signed commercial terms. |
Send the same motor specification and quantities to each supplier so you can compare their responses.
Send the same requirement to each candidate so the resulting quotes can be compared line by line.
For driver selection and the motor-side data to include, see the stepper motor control guide.
Divide all quoted costs for the same order by accepted quantity. Keep one-time charges visible instead of treating them as a hidden unit-price increase.
Add taxes/duties and inventory cost where relevant. Compare both the pilot order and the forecasted repeat order; an assumed break-even point is not a supplier quote.
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