What is the lifespan and warranty period?

Prefab houses last 10 years, container houses 15 years, and steel structure buildings 20 years. All come with a 12-month warranty from delivery.

20FT Three in One Expandable Container House for Dormitory Office Holiday House

Name: 20FT Three in One Expandable Container House for Dormitory Office Holiday House
Brand: Weifang Zontop Prefab Steel Structure Co., Ltd.
SKU: 1937213801

Shandong, ChinaWeifang Zontop Prefab Steel Structure Co., Ltd.

US$7,700.00

2-3 Sets

US$7,500.00

4-9 Sets

US$7,300.00

10+ Sets

Product profile

Customization

Available

After-sales Service

3years

Application

Carport, Hotel, House, Kiosk, Booth, Office

Model NO.

M002

Fast Installation

Feature

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

Material

Steel Structure

Name

Steel Structure Prefab House

Place of Origin

Shandong, China

Color

White, Blue, Green, Red, Yellow/Customerized

Service Life

30 Years

Brand Name

Zontop

Door and Window Material

Aluminium, Steel Materials and Can Be Fixed Flexib

Frame

Steel

Wall

Sandwich Wall Panels

Floor

Cement Fiber

Roof

Insulated Roof

Anti-Rust

Yes

Warranty

3years

Usage

Dormitories, Warehouse, Offices, Workshop

Certification

CE, ISO

Customized

Transport Package

Load in Shipping Container

Specification

steel structure, sandwich panels

Trademark

ZONTOP

Origin

Weifang, Shandong, China

HS Code

9406900090

Production Capacity

8000000/Month

Key features

30-Year Service Life: Designed for long-term durability with a service life of 30 years.

Customizable Colors: Main steel structure, windows, doors, and wall panels available in White, Blue, Green, Red, Yellow, or custom colors.

Fast Installation: Features expandable design for quick setup with optional on-site technician support.

High-Strength Steel Frame: Constructed with hot-galvanized steel columns and frames ranging from 2.0mm to 3.0mm thickness.

75mm Thermal Insulation: Equipped with 75mm sandwich wall panels using Rockwool, PU, or EPS core for superior thermal efficiency.

Expandable Design: 20ft and 40ft models expand to 6.32m width while folding to 2.24m for efficient transport.

Comprehensive Warranty: Includes a 3-year warranty covering mechanical defects and structural integrity.

Weather Resistant: Engineered to be earthquake resistant, wind resistant, waterproof, and leak proof.

Company profile

Weifang Zontop Prefab Steel Structure Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2020-02-19Nearest Port: Qing DaoAverage Response Time: ≤18hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryWeifang Zontop Prefab Steel Structure Co., Ltd. is a China-based limited company and manufacturer/factory offering prefab houses. It reports annual productivity of 100,000 sets, exports to multiple regions, and generally states lead times within 15 workdays in both peak and off-peak periods. Quality assurance, complaint-handling procedures, and supplier-service procedures are documented, but raw-material traceability is absent and finished-product inspections lack written records. The supplier supports customization from samples and has participated in the 134th China Import and Export Fair, but provides no overseas showroom, agent, or branch. Financial records are identified by year, but no financial performance values are provided. No SDK is available, and no customer cases are explicitly documented.

Supplier typeThe supplier is identified as a limited company, manufacturer/factory, and group corporation, while another record states it has no larger-company affiliation. Its offered product is prefab houses, and it reports six employees.

After-Sales capabilityThe supplier has a clear complaint-handling procedure with records, documented corrective and preventive-action procedures, and a service-capability assessment process. However, it has no overseas showroom, agent, or branch; the evidence supports procedural capability but not broad overseas service coverage.

R&D capabilityThe supplier offers customization from samples, indicating some product development or adaptation capability. However, it explicitly has no available SDK, and no broader R&D resources or innovation results are documented.

Production capacityThe supplier reports annual productivity of 100,000 prefab-house sets and lead times within 15 workdays during both peak and off-peak periods. It also reports 10 qualified service-capability suppliers, although the overall workforce is stated as six employees and the records do not reconcile these figures.

Customization capabilityThe supplier explicitly provides customization from samples for prefab houses. No additional customization scope, engineering resources, or formal customization process is described.

Product Q&A

Q:What is the delivery time?

The delivery time depends on quantity and color, generally within 15-30 days.

Q:What is the monthly production capacity?

Prefab house capacity is 220,000m2, and container house capacity is 1,800 units per month.

Q:How is the installation handled?

We provide installation instructions and videos. Technicians can be sent if necessary, but buyers cover visa, air tickets, accommodation, and wages.

Q:What pre-order services are available?

We offer proposal drawings, shop drawings, 3D drawings, material photos, finished project photos, and design works based on your requirements.

Q:How are the houses packaged?

Container houses are flat-packed. Other houses are loaded in shipping containers with main structures in bulk and accessories in cartons or wooden cases.