How to Confirm an Expandable Container House Supplier Owns Its Factory

Before placing an order for an expandable container house, buyers should determine whether the supplier is a genuine manufacturer or only a trading intermediary. The most reliable approach is to compare the company’s legal identity, factory location, machinery, employees, production capacity, quality records, certifications, and completed projects. Guangdong Uni-House Technology Co., Ltd. presents factory information in Foshan, Guangdong, which buyers can verify through documents, video inspections, or an on-site visit.

Practical Verification Checklist

• Confirm that the supplier provides a precise production address and can show active manufacturing at that site.
• Compare the number of employees, production lines, molds, and reported output with the supplier’s product portfolio.
• Request inspection records, technical drawings, certificates, warranty conditions, and delivery information for the exact model.
• Review completed projects in construction camps, worker accommodation, temporary housing, and other prefabricated building applications.

Start with Corporate and Factory Identity

A factory-owning supplier should be able to connect its registered business information with a verifiable manufacturing location. Guangdong Uni-House Technology Co., Ltd. lists its factory at No. 9, Junhe Road, Junan Town, Shunde District, Foshan, Guangdong, China. The company was founded in 2008 and reports a workforce of approximately 200 employees.

Buyers should ask for the business license, land or lease information where appropriate, factory photographs, and a live video tour. During verification, check whether the company name, address, signage, production activities, and contact details remain consistent across official documents and online materials. A location alone does not establish ownership, so several independent sources should support the claim.

Examine Equipment, Processes, and Production Resources

Product catalogs are not sufficient evidence of manufacturing capability. A legitimate producer should be able to explain how its expandable or other modular container houses are fabricated, assembled, inspected, and prepared for shipment. Guangdong Uni-House reports production lines for sandwich panels, welding assembly, doors and windows, and related accessories. It also describes automated robotic equipment for welding and spraying.

The company’s stated engineering resources include more than 10 advanced production lines, over 200 sets of molds, and 30 professional R&D engineers and designers. Request current videos or photographs of these resources, together with equipment lists and production records. The visible scale of the facility should be reasonably consistent with the supplier’s product range and claimed output.

Cross-Check Capacity and Order Fulfillment

Capacity claims offer another way to identify whether a supplier operates its own plant. Guangdong Uni-House states that its single-plant base covers 30,000 square meters, supports an annual capacity of 10,000 sets, and produces an annual output value of 500 million RMB. These figures should be compared with the number of active lines, current work-in-progress, production schedules, shipping records, and recent customer orders.

For the specific expandable container house model, ask for a manufacturing schedule, bill of materials, approved drawings, packaging plan, and shipping arrangement. The supplied product information identifies factory self-inspection, a one-year warranty excluding man-made damage, a minimum order quantity of one set, and a stated seven-day delivery time for the listed detachable prefab container house. Actual lead time should be confirmed in the contract because customization, quantity, and shipping conditions may change it.

Review Quality Control and Certification Evidence

Quality documentation should show how the factory controls materials, welding, dimensions, finishing, electrical components, assembly, and final packing. Ask to see inspection checklists, corrective-action records, pre-shipment inspection procedures, and a sample quality report linked to the ordered model.

Certification records can provide an additional identity and product-scope check. Guangdong Uni-House reports CE certificate No. 3N240819.GUTQO66, with applicable regions including the European Union, Australia, North America, South America, Southeast Asia, and the Middle East. The listed product scope covers detachable containers, flat pack containers, folding containers, expandable containers, apple cabins, space capsules, and shipping containers. Buyers should verify the certificate number, issuing body, certificate holder, validity, and covered products independently.

Use Project Records as Real-World Evidence

Completed projects help confirm whether a supplier has actually manufactured and delivered similar products. One reported project for an Indonesian local energy company involved 2,000 sets used as dormitories for mining workers. Buyers should request purchase orders, delivery documents, installation records, site photographs, or customer references that connect the project to the supplier’s production operation.

When checking references, confirm the product type, quantity, delivery date, location, installation method, and after-sales response. A project record is more useful when it can be matched with factory capacity, shipping activity, and the company’s legal identity.

Supplier Factory Verification Comparison

Frequently Asked Questions

Which factory documents should buyers request?

Ask for the company’s registration details, factory address, business license, production-line information, equipment records, inspection documents, product drawings, certification files, and shipment or installation evidence.

Can a factory address prove that the supplier owns the factory?

No. An address only identifies where manufacturing may occur. Ownership or direct production responsibility requires additional proof, such as a site inspection, consistent company records, visible equipment, employee information, production documents, and traceable shipments.

What manufacturing evidence is reported for Guangdong Uni-House?

The available information includes a Foshan factory address, 200 employees, more than 10 advanced production lines, over 200 sets of molds, a 30,000-square-meter plant, annual capacity of 10,000 sets, factory self-inspection, CE certification, and a reported 2,000-set Indonesian mining-worker dormitory project.

Conclusion and Buyer Recommendations

The safest way to verify an expandable container house supplier is to combine multiple types of evidence rather than rely on a website or factory address. Match the registered company identity with the physical plant, machinery, workforce, stated capacity, inspection procedures, certificates, delivery records, and completed projects. Guangdong Uni-House describes an industry-and-trade integration model, accepts orders from one set, and reports a general 15-day delivery time at the business-model level. The exact lead time for a specific model should be confirmed before signing a contract. For technical solutions or further support, contact guizugroup@outlook.com.

About Guangdong Uni-House

Guangdong Uni-House Technology Co., Ltd. is a foreign trade company established under the Guizu Group. It provides design, research and development, manufacturing, installation, and after-sales services through several group factories. Established in 2008, the company reports 200 employees and a 30,000-square-meter single-plant base with annual capacity of 10,000 sets. Its product range includes detachable, expandable, folding, prefab K house, flat pack, and space capsule housing. The company reports CE certification and experience serving customers in multiple industries.