What is the standard modular size?

The standard prefabricated house is made by 1.8m as one modular, and components are connected by bolts.

What technical support is provided?

We provide 24/7 online support and professional installation guides from our experienced engineering team.

What is the factory's experience and capacity?

Founded in 1999, we have 30 years of experience and a 55,000 sqm factory with full-line production.

Steel Structure Prefabricated House

Name: Steel Structure Prefabricated House
Brand: Qingdao Changhang Steel Structure Co., Ltd.
SKU: 859676605

Shandong, ChinaQingdao Changhang Steel Structure Co., Ltd.

US$20.00-80.00

1 Square Meter

Product profile

Customization

Available

Connection Form

Bolt Connection

Purlin Type

C/Z Galvanized Purlin

Model NO.

Customizable according to customer requirements

Material

Q235B or Q345b

Roof Sheet

EPS or Galvanized Color Plate

Wall Sheet

EPS or Galvanized Color Plate

Door

Rooling Door Composite Door

Windows

PVC

Packing

Felt or According to Customer Requirements

Delivery Date

30days

Type

H-Section Steel

Standard

GB, ASTM, DIN, JIS, AISI, BS

Steel Type

Quality Carbon Structural Steel and Alloy Structural Steel

Forming

Hot-Rolled Steel

Member

Steel Column

Type of Steel For Building Structure

High-Strength Steel

Carbon Structural Steel

Q235

Residential Wall Structure

Wallboard

Application

Steel Workshop, Steel Structure Platform, Steel Fabricated House, Structural Roofing, Frame Part, Steel Walkway and Floor, Steel Structure Bridge

Transport Package

Sea

Specification

30m2

Trademark

Changhang

Origin

Shangdong, China

HS Code

94069000

Production Capacity

200000m2/Year

Key features

Long Service Life: Service life exceeds 20 years with assembly/disassembly capability for over 6 times.

Customizable Design: Purlin type, material, roof/wall sheets, doors, and windows are customizable per requirements.

Fast Delivery: Delivery time is within 20 to 30 days, ensuring high construction efficiency.

Certified Quality: Passed ISO 9001, CE, BV, and SGS certifications with strict QC management.

Professional Support: 24/7 online support and professional installation guides provided by experienced engineers.

Versatile Applications: Suitable for warehouses, dormitories, temporary offices, labor camps, and workshops.

Experienced Manufacturer: Founded in 1999 with 30 years of experience and a 55,000 sqm factory area.

Modular Structure: Standard 1.8m modular design with bolt connections for easy assembly and transport.

Company profile

Qingdao Changhang Steel Structure Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-01-15Nearest Port: Qingdao, ShanghangAverage Response Time: ≤6.29hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryChanghang is identified as a China-based limited company with both trading-company and manufacturer/factory classifications, offering steel structures, prefabricated and container houses, poultry farms, LGS villas, and related products. It reports ISO9001:2008 and CE certifications and SGS/BV inspection results. The supplier demonstrates professional technical, 3D design, SDK, and multiple customization capabilities. However, quality-control evidence is incomplete: test equipment is recorded as zero, quality assurance and traceability status are unknown, and complaint handling and corrective-action procedures lack written records. Financial records are indicated for multiple years, but the provided slices do not establish financial strength. No customer cases are provided.

Supplier typeThe supplier is described as a professional manufacturer and exporter, while its formal classifications include Trading Company and Manufacturer/Factory. Its stated scope covers steel structure engineering, prefabricated and container houses, LGS villas, poultry farms, and related wholesale activities.

CertificationsThe company description explicitly states ISO9001:2008 and CE certification and reports that it passed SGS and BV inspections. These statements provide direct evidence of certification and inspection credentials, although no certificate validity dates or copies are provided.

R&D capabilityThe supplier is identified as a professional technical supplier with 3D software design services, an available SDK, and one R&D engineer responsible for providing solutions according to customer demand. This supports technical development capability, but the limited stated R&D staffing and lack of documented innovation outcomes prevent a stronger assessment.

Production capacityThe company reports design, production, installation, and marketing of steel structures and related buildings, with a stated company area exceeding 50,000 square meters and warehouse area reaching 30,000 square meters. Nevertheless, the business-scope slice also states that certain products are not produced or installed at the listed location, so capability is established but site-specific production coverage is not fully clear.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with 3D software design services. This directly supports a broad range of customization options.