Sourcing Container House Suppliers
Updated 2026-11-01 · JIUJIAN GLOBAL technical team
Main channels are trade shows (Canton Fair, Big 5, Construct Canada and regional building expos), B2B platforms, referral from an existing importer, and direct factory search in clusters such as Shandong and Guangdong. Screen with five questions: factory address and production line photos, export licence, test reports for the panels, references in your region, and who actually builds the unit.
Almost every quality complaint traced back to sourcing starts the same way: the buyer never established who was actually manufacturing the unit.
Channels compared
| Channel | Strength | Weakness |
|---|---|---|
| Trade shows | Samples, multiple suppliers, fast comparison | Sales staff, not engineers |
| B2B platforms | Wide reach, easy contact | Trader-heavy, little differentiation |
| Referral | Pre-validated quality | Limited choice |
| Direct factory search | Best price, direct accountability | Requires effort and verification |
Screening questions
- What is the registered company name and address, and can you send the business licence?
- Which workshop builds the unit, and can I see dated photos of the line and the welding area?
- Do you have panel test reports and steel mill certificates?
- Which projects have you supplied in my region, and may I contact them?
- Who signs the shop drawings, and are they done in house?
Red flags
A supplier who cannot name the workshop, prices that move without a specification change, no test reports for the panel, requests for full payment in advance, and drawings that arrive as a photo of a sketch rather than a dimensioned file.
What a good first order looks like
One or two units at full specification, inspected before shipment, with the packing list and the as-built drawing. That order tells you more than any catalogue, and it costs far less than discovering the problem on a forty-unit camp.
Related: manufacturing process, factory audit checklist, product range.
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