Is it difficult to assemble the room?

Not at all. As long as you can use electric tools, you can build a house independently according to the construction drawings pleasantly surprised If you send an inquiry through this product information, I will bring you a discount price of 9.9

Prefabricated Expandable Office

Name: Dormitories Customized 20FT 40FT Portable Folding/Foldable Container House Prefab/Prefabricated Expandable Office
Brand: Tianjin Evermore International Co., Ltd.
SKU: 2009968762

Tianjin, ChinaTianjin Evermore International Co., Ltd.

US$3,999.00-4,299.00

1 Set

Sample price:US$550.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Support Video Installation

Application

Hotel

Model NO.

Double wing expansion house

Fast Installation

Feature

Earthquake Resistant, Easily Movable, Eco-Friendliness, Flexibly Combinable, Leak Proof, Moisture Proof, Safe, Thermal Insulation, Waterproof, Wind Resistance

Material

Steel Structure

Style

Modern

Type

Two Bedroom

Name

Packaging Box Room

Colour

Custom Colors

Fireproof

a-Level Fire Protection

Waterproof

Grade a Waterproof

Anti-Seismic

Seismic Category 8

Transport Package

Wrapping Film

Specification

customizable

Trademark

Hebei Yijia

Origin

Hengshui, Hebei

HS Code

9406900090

Production Capacity

30000pieces/Year

Key features

Fast Installation: 2 hours per set, saving labor costs with pre-installed components.

Customizable Design: Flexible customization for style, color, and internal layout to meet specific needs.

Durable Steel Structure: 2.5mm hot galvanized steel with 30-40 year service life and anti-rust properties.

High Safety Standards: Fireproof A-grade, waterproof, wind-resistant (10 grade), and seismic resistant (10 grade).

Eco-Friendly Materials: Uses energy-saving materials like EPS/rock wool sandwich panels for thermal insulation.

Portable & Movable: Lightweight design allows for easy relocation, suitable for camping or emergency rescue.

Complete Electrical System: Pre-installed with 3C/CE/CL/SAA standard breakers, lights, switches, and sockets.

ISO Certified Quality: Factory passes ISO international quality system certification with 100% product inspection.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Tianjin Evermore International Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1.5 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤2.46h

AI-Powered supplier vetting

SummaryThe supplier is a comprehensive trading and manufacturing company focused on prefab and container-based buildings, with stated own factories and experience in design, production, and sales. It offers broad customization and OEM/ODM services, maintains written inspection and supplier-management procedures, and holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications. However, it reports no valid manufacturing-capacity contract with affiliated subcontractors, no overseas warehouse, showroom, agent, or branch, and no participation in offline trade shows. Its R&D record is limited: no SDK is available and no new product was reported in the past year. Exporting experience is stated as three years, with peak-season lead time of one month and off-season lead time within 15 working days. No cooperation with Fortune 500 companies is reported.

Supplier typeThe supplier describes itself as a comprehensive trading company integrating design, production, and sales, with stated own factories. Its overseas service footprint is limited: it reports zero countries served and no overseas agents or branches.

CertificationsThe supplier explicitly reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. Product compliance certification is only categorized as “Others,” without named standards or certificates.

R&D capabilityThe supplier offers ODM services and broad design-based customization, but reports no available SDK and no new products during the past year. These records show design-service capability but also a stated limitation in recent product innovation.

Production capacityThe supplier states that it has own factories and covers design, production, and sales, with in-stock capability and written inspection procedures. However, it also reports no valid contract with affiliated subcontractors, so the contractual basis for all manufacturing capacity is incomplete.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, and provides ODM services. This is direct evidence of broad customization coverage.

Product Q&A

Q:How to make the payment?

TT and letter of credit are acceptable, and we will be even more grateful to TT. 30% deposit before production and 70% balance before TT loading.

Q:What is the delivery time?

This depends on the order quantity. Generally speaking, the delivery time will be within 15 to 30 days.

Q:How to ship?

Ocean container loading

Q:How to install it?

We will provide you with installation instructions and videos, and if necessary, we will send technical personnel to assist you. However, visa fees, airfare, accommodation, and wages will be provided by the buyer.

Q:How do you ensure the quality of the product?

Strict product quality control enables quality to achieve the future. This is the purpose of our factory. Every product in our factory has strict testing procedures and must achieve 100% quality before delivery.