What is the production capacity of your factory?

We have 10 production lines and a productivity of 1000 sets per month with a factory area of over 40,000 square meters.

Can the door and window types be selected?

Yes, door options include rolling, sliding, composite, or PVC doors. Windows can be PVC or aluminum alloy.

What are the standard dimensions of the 20ft container?

The 20ft container has an external length of 6058mm, width of 2438mm, and height of 2896mm.

20FT Expandable Container House and Flat Pack Container House

Name: 20FT Expandable Container House and Flat Pack Container House
Brand: Qingdao Changhang Steel Structure Co., Ltd.
SKU: 859653125

Shandong, ChinaQingdao Changhang Steel Structure Co., Ltd.

US$800.00

1 Piece

Product profile

Customization

Available

Connection Form

Bolt Connection

Purlin Type

Rhs

Model NO.

20ft

Material

Q235B or Q345b

Roof Sheet

EPS or Corrugated Board

Wall Sheet

EPS or Corrugated Board

Door

Rooling Door Composite Door PVC Door

Windows

PVC or Aluminum Alloy Windows

Packing

Felt or According to Customer Requirements

Delivery Date

10days

Productivity

1000sets/Month

Type

Light 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

Frame Part

Transport Package

Sea

Specification

20ft 40ft

Trademark

Changhang

Origin

Shangdong, China

HS Code

94069000

Production Capacity

1000sets/Month

Key features

Customizable Dimensions: Size based on customer requirements; Column length 1000-12000mm, Height 200-1200mm.

Flexible Material Options: Material Q235B or Q345B; Roof/Wall EPS or Corrugated Board; Door/Window PVC or Aluminum.

Fast Delivery Time: Delivery within 20 to 30 days; Off-season lead time within 15 workdays.

High Production Capacity: Productivity up to 1000 sets per month with 10 production lines.

Global Market Experience: Projects delivered to over 20 countries including USA, Australia, UK, and South Africa.

Certified Quality Management: ISO 9001, CE, BV, SGS certified; Strict QC with multi-channel detection.

Professional Design Support: 25 engineers and 14 designers available for custom blueprint design and R&D.

Comprehensive After-Sales Service: 24/7 online support, installation guides, and professional engineer communication.

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: ≤8.63hTerms 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.