The most reliable way to ensure a flat-pack container house sample matches the final production units is to approve a product-specific specification before manufacturing begins. The approved sample should be checked against the same materials, measurements, components, finishes, and quality requirements defined for the order. Since the available product information describes expandable container houses rather than flat-pack models, all flat-pack details should be confirmed with the supplier separately.
A sample is a dependable benchmark only when it represents the same model and technical configuration that will be produced in volume. Before production, document the agreed size, floor plan, wall and roof materials, doors and windows, finishes, electrical and plumbing components, furniture or accessories, and acceptance standards. Both the buyer and supplier should approve the document and record every later modification by revision number.
The available product record identifies 20 ft, 30 ft, and 40 ft expandable container houses. Their listed dimensions are 5900 mm × 6300 mm × 2480 mm, 9000 mm × 6300 mm × 2480 mm, and 11800 mm × 6300 mm × 2480 mm. These measurements apply to expandable models and should not be used as the approval baseline for a flat-pack house. Ask the supplier for the selected flat-pack model's drawings, bill of materials, tolerances, and sample information.
During manufacturing and before shipment, compare finished units with the approved sample and specification. Check critical dimensions, panel alignment, structural connections, openings, surface treatment, color, fittings, utilities, and included accessories. Photograph and document any variation, then obtain written approval for deviations before the goods are released. The product record mentions factory self-inspection, so request the inspection checklist and records that apply specifically to the flat-pack order.
The same product information states a one-year warranty excluding man-made damage. This provision should be reviewed with the supplier to confirm its coverage, exclusions, response process, and applicability to the selected flat-pack model.
Guangdong Uni-House Technology Co., Ltd. presents itself as a foreign-trade company established under Guizu Group. Its group facilities support design, research and development, manufacturing, installation, and after-sales service. The company profile reports 30 professional research and development engineers and designers and identifies flat-pack container houses as one of its main product categories.
The company also reports CE certification No. 3N240819.GUTQO66 for modular container house products, including flat-pack containers. Its stated application areas include construction sites and field construction camps, and its reported project experience includes an Indonesian coal mine living area comprising 2,000 sets of dormitories for mining workers.
| Review item | Information currently available | Required confirmation |
|---|---|---|
| Model identification | The available product record describes expandable container houses. | Confirm the exact flat-pack model and its dedicated technical file. |
| Size and tolerance | Dimensions are listed for three expandable-house models. | Approve flat-pack dimensions, tolerances, drawings, and layout in writing. |
| Materials and components | The supplied information does not establish the complete flat-pack bill of materials. | Match the approved sample with the agreed panels, frame, doors, windows, fittings, and accessories. |
| Quality inspection | Factory self-inspection is stated for the listed product. | Define acceptance criteria and request inspection evidence for the ordered model. |
| Order and lead time | A one-set minimum order and 15-day delivery time are stated. | Verify that both terms apply to the selected flat-pack configuration. |
| Warranty | A one-year warranty excluding man-made damage is stated. | Confirm the flat-pack warranty scope, exclusions, and service procedure. |
Can the dimensions listed for expandable houses be used for a flat-pack sample?
No. Those measurements belong to expandable container house models. A flat-pack sample should be approved against its own drawings, dimensions, materials, and tolerances.
What information should be finalized before mass production?
Finalize the product model, dimensions, layout, materials, structural and utility components, finishes, accessories, inspection standards, packaging requirements, and approved deviations. The sample, purchase order, and production documents should all identify the same specification revision.
Do the available records confirm the flat-pack delivery time and warranty?
No. The one-set minimum order, 15-day delivery time, factory self-inspection, and one-year warranty appear in the expandable-house product record. Confirm each condition for the specific flat-pack order before approval.
To control consistency between a flat-pack sample and mass production, use a signed sample approval together with a product-specific, version-controlled specification. Inspect production units against that reference and retain dimensional records, photographs, checklists, and written approvals for any variation. Because the available data relates to expandable rather than flat-pack houses, obtain and approve the flat-pack drawings, materials, inspection plan, delivery terms, and warranty conditions before placing the order. For technical questions or support, contact guizugroup@outlook.com.
Guangdong Uni-House Technology Co., Ltd. is a foreign-trade company established under Guizu Group, with support for design, research and development, production, installation, and after-sales service through multiple group factories. The company profile reports 30 research and development engineers and designers and lists flat-pack container houses among its products. Its stated CE certification is No. 3N240819.GUTQO66 for modular container house products, including flat-pack containers; its reported project experience spans multiple industries.

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