# How can a product photo become a precise China supplier search?

Use the photo to explain the main product you want, then state the quantity and specifications that must match. Keep visible features separate from dimensions, materials or performance that the image cannot prove. Review the editable interpretation before purchase. Similar appearance can help locate candidates; it does not prove an identical SKU, a factory relationship or that photographed accessories are included.

Materially updated: 2026-10-16

## When to use this checklist

Use this when you have a product photo but still need a measurable requirement. Keep visible features in one column and dimensions, materials or performance supplied by the buyer in another.

Editorial decision aid: this does not obtain quotations, contact suppliers or approve product conformity.

## Minimum buyer brief

Image crop or description; visible-feature ledger; quantity; must-match list; unresolved unseen facts.

| Field | Buyer input | Evidence check | Reject or unknown |
|---|---|---|---|
| visible main product | Name the pictured main object and any accessory separately. | Visible silhouette or labeled feature only; do not infer hidden construction. | Accessory-only or different main object is a mismatch. |
| quantity and unit | Positive integer and pieces/sets/boxes as supplied by buyer. | Check whether an offer counts the same complete object. | Unknown units cannot be converted or accepted. |
| buyer must-match | Buyer supplies material, dimension or model that cannot change. | Keep each explicit condition beside a scoped source. | Image inference cannot become an unstated hard requirement. |
| permitted substitution | EXACT_ONLY or a buyer-permitted alternative under the existing input schema. | Preserve the original requirement and permission. | Do not accept a merely similar item when alternatives are prohibited. |
| unseen dimensions/material | List the dimension/material that a photo cannot establish. | Ask for drawing, measurement or model-scoped document. | Omission stays UNKNOWN; no visual claim of exactness. |

## Exclude or resolve

Reject inferred material as a buyer requirement; hold exact-size claims without a stated measurement; exclude accessories unless explicitly in the supported scope.

## Questions to copy into a supplier enquiry

Which pictured item is the main product? Which features must remain exact? What measurement or document resolves the unseen field?

## Evidence and price basis

BUYER_STATED is explicit buyer input; SOURCE_OBSERVED is a dated source; DERIVED is labeled interpretation. OBSERVED does not mean SUPPLIER_CONFIRMED. Missing facts remain UNKNOWN; TO_CONFIRM describes the next question. Preserve currency, unit, quantity tier, SKU and date; a listing is not a supplier-confirmed quote. Never infer stock, MOQ waivers or certification.

## References and limits

- [Current free discovery and v4 public resource](https://api.seekapi.ai/mcp): Runtime mode admission and same public sample only; no new purchase or supplier facts.

## Continue

[Parent sourcing library](/sourcing) · [Related category](/china-supply-check) · [Human: review a free image brief](/china-supply-check#image-supply-check) · [Agent: free discovery and preparation](/for-agents#china-supply-check-mcp) · [Runnable free SDK examples](/for-agents#free-quickstart) · [Public sample](/china-supply-check/sample)

Preparation does not purchase or contact suppliers. Image Stripe USD 2.99 and text/model x402 2.99 USDC are separate paid routes; image x402 and text/model Stripe are OFF in the dated observation. Check live admission. The proposed $19.90 RFQ service is not open for purchase.