Container House Factory Audit Checklist
Updated 2026-11-01 · JIUJIAN GLOBAL technical team
Check six areas: production capacity against your volume, frame fabrication and welding records, coating line and thickness measurement, panel sourcing and lamination, QC records for recent orders, and the packing and documentation process. Ask to see a unit under construction and a completed unit awaiting shipment; the gap between them is where quality lives.
Factory visits tend to become tours of the showroom. The checks below are the ones that predict what your order will look like on arrival.
Six checks
| Area | What to see | What it tells you |
|---|---|---|
| Capacity | Units per week, shifts, space for your order | Whether your date is realistic |
| Frame fabrication | Cutting, jig, welding, dimensional check | Squareness and strength of the box |
| Coating | Blasting, primer, topcoat, thickness gauge | Corrosion life, especially at edges |
| Panels | Lamination line or supplier certificates | Core density and bonding quality |
| QC records | Checklists, photos, defect log, rework | Whether quality is a system or a promise |
| Packing and docs | Packing method, serial labelling, export file | Condition on arrival |
Questions that reveal the truth
- Show me the QC record for one recent order and explain a defect entry.
- Who measures the frame diagonals and where is the result recorded?
- What is the dry film thickness on the last order, and how was it measured?
- Which panel supplier, and can I see the latest certificate?
- Who prepares the packing list, and how are serial numbers assigned?
Photograph everything
Take dated photos of the line, the welding area, the coating booth, a unit in progress and a finished unit. If you visit more than one supplier, the photos make the comparison honest a month later.
After the audit
Write a short report: capacity against your schedule, the three risks you identified, and the two specification changes that would reduce those risks. Send it to the supplier; how they respond tells you as much as the audit itself.
Related: manufacturing process, quality control, pre-shipment inspection.
Need this priced for your project?
Send the unit type, quantity, destination port and any layout drawing. We reply with a specification-matched quotation and lead time, usually within one working day.
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