Results
Case Studies
Real importers, real numbers — how buyers grew with Yinhan Sourcing.
How we measure a result
A case study worth reading has numbers you can check against your own project: the brief, the factory quotes before and after negotiation, what the inspection found, what was reworked and at whose cost, and the timeline from deposit to delivery. We publish the pattern, and on request we share reference conversations with clients in your category so you can hear the unedited version.
What do these case studies show?
Case Study: 1,200-Unit Smart Home Order Saved at Inspection
An Amazon FBA seller came to us with a 1,200-unit smart plug order already quoted: a verified factory, a price […]
Case Study: Pet Brand Reorder With Material Reports First
A Shopify pet brand came back for a second reorder of its silicone feeder bowl ? the SKU that had […]
Case Study: Cutting Freight 30% by Consolidating Four Suppliers
A wholesale buyer of home goods was running four Chinese suppliers across two provinces, each shipping its own order separately: […]
What our reports look like
Every claim maps to a document you would receive yourself
- The itemized quote with factory names — how quoting works
- The audit report with photos and risk rating — what audits cover
- The inspection report with defect counts against AQL limits — how sampling works
- The shipping file with the freight breakdown — mode comparison
What reports can you ask us for before committing?
Before you commit to any agent, ask for the artifacts. We send them with the client names redacted.
Have a Similar Challenge?
What do these cases have in common?
Different products, different platforms, same mechanics. Each case on this page started with a specification written before the deposit, a payment schedule gated on inspection, and a person in Shenzhen checking production while it happened. The measurable outcomes, fewer defects, shorter delays, recovered margins, come from those three habits rather than from luck.
They also share a starting point: none of these clients committed a container first. The usual entry was a sourcing brief, a single audit, or a trial order of a few hundred units. Scale followed evidence.
If a case resembles your situation, ask us for the numbers behind it. The first consultation is free, and the full stories link to the guides that explain the method used in each.
What were the starting points?
Almost none of these engagements began with confidence; they began with a question. A brand with a quality problem needed someone on the floor within the week. An importer with three quotes needed to know which factory was real. A first-timer needed the whole sequence explained before spending anything. The case studies keep those starting points visible on purpose, because the useful lesson is rarely the happy ending and almost always the first decision that changed the trajectory.
If you read only one case, read the one closest to your situation in product type rather than in outcome; the constraints transfer better. And if none of them resemble your product at all, that is worth knowing too, because it changes which questions belong on the first call.