Buyer's library · evidence before opinion
China sourcing guides for decisions before money moves.
Verify the supplier, protect the deposit and keep bulk production matching the approved sample. Start with the decision in front of you; every route shows what to request, what to compare and what should stop the order.
5 decision routes · field evidence · no gated downloads
Human-readable site map
One order. Five decisions.
Move in order, or jump directly to the control point you need. The last step carries the pages you read into your inquiry so the reply starts with context.
How these guides are written
Show the evidence. Name the limit.
Groundwork is run on the ground in Yiwu by two people: a Korean who spent years buying this product for a living, and a director who has spent 24 years making it.
- Original factory-floor photos and inspection evidence where they clarify the check.
- Direct answers before service claims, with links to official records where available.
- Clear evidence boundaries: what a document, visit or inspection does—and does not—prove.
- No promise that one badge, sample or inspection can guarantee a future production run.
Written by Fred Lee, CEO. Last reviewed . How visit and inquiry attribution works.
