Most factory audits fail for the same reason: they visit the showroom.
Two days on the ground in Guangzhou is enough to judge a bag manufacturer properly — if you spend the time on the floor instead of the conference room. This is the agenda we recommend to buyers, and the one we are happy to be measured against.
Day 1, morning: the cutting floor
Start where the material starts. Look at the cutting tables and the die rack. Ask how many layers they cut at once and how they handle fabric with a directional weave or a print that cannot be rotated. Sloppy cutting is invisible in a sample and obvious in a 5,000-unit run.
Then walk the material warehouse. Ask to see fabric lot labels and how many days of material cover they hold. A factory carrying two weeks of cover is a factory that can absorb a supplier delay without moving your ship date.
Day 1, afternoon: sewing lines and work-in-progress
Count the machines. Count the operators. Compare both with what the factory told you in writing. Then look at the WIP racks: high WIP at the end of a line means rework, low WIP on a busy line means a scheduling problem. What you want to see is steady movement — carts of half-finished bags with routing tickets attached.

Day 2, morning: QC and documentation
Ask to see the QC station and the defect log. Not the summary — the actual log. A real factory can show you the last 30 days of findings by category, plus the corrective action taken. Then ask for the current AQL sampling plan and the last three third-party inspection reports.
This is also the moment to check the documents that protect you: REACH and OEKO-TEX test reports for the materials actually in production, and CPSIA or Prop 65 coverage if you sell into the United States. Confirm the legal entity name on those documents matches your invoice.
Day 2, afternoon: the sample room
The sample room is the factory’s brain. Look at how samples are labelled, whether patterns are digitized, and whether the team can pull your spec and the pattern file within minutes. If your program ever needs a running change — a new zipper pull, a revised laptop sleeve — this room decides whether that change takes three days or three weeks.
What to skip
Skip the corporate video. Skip the showroom of last season’s bags. Skip the factory manager’s explanation of how much he values long-term partnerships, and skip the dinner invitation if it means losing floor time. None of those four things predict a single delivery.
Red lines
Two answers should end the audit early. First, refusal to let you photograph the production floor or the WIP racks. Second, an inability to produce a current production schedule by customer or by line. A factory that cannot show you its schedule is not going to hold your ship date.
Why we publish our own checklist
SimiBag runs the full chain in Guangzhou — cutting, sewing, assembly, IQC/IPQC/FQC, and FBA-ready packing — and we invite buyers to audit it exactly this way, because a factory that hides its floor has something to hide. Custom backpacks, laptop bags, travel duffels, and PA+TPU vacuum compression storage bags, from 500-unit pilots to full container programs.
Plan a visit or request a live video walk at simibag.com.
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