What materials are used for the steel frame?

Main steel frames use Q355B welded H-section steel, while secondary frames use Q235B materials.

Can the structure be customized?

Yes, we offer full customization including spans, dimensions, and specific structural requirements.

Multi-Storey Casa Prefabricada Installation Steel Structure Frames for Commercial Building

Name: Multi-Storey Casa Prefabricada Installation Steel Structure Frames for Commercial Building
Brand: shandong qihua fire engineering co.,ltd.
SKU: 1983663421

Shandong, Chinashandong qihua fire engineering co.,ltd.

US$680.00

1-9 Tons

US$630.00

10+ Tons

Product specifications

H-Section Steel

Product profile

Customization

Available

Connection Form

Welded Connection

Feature

Anti-Corrosion, Earthquake Resistance, Easy to Install, High Intensity, Recyclable

Model NO.

Tubular Steel Frame & H Beam

Install

Support Installation

After-Sales Service

Engineers Can Be Arranged to Guide The Installatio

Insulation

Polyurethane, Rockwool, Glasswool, EPS

Carbon Structural Steel

Q235/Q355b

Type

Large-Scale Industrial Park Projects

Span

10 to 120m

Type of Steel for Building Structure

High-Strength Steel

Standard

GB, ASTM, AISI, BS

Forming

Hot-Rolled Steel

Gutter

Color Steel Sheet, Stainless Steel

Transport Package

Container

Specification

40HQ

Trademark

QIHUA

Origin

China

HS Code

9406900090

Production Capacity

30000 Tons Per Year

Key features

50-Year Service Life: Designed for a long service life of 50 years with durable materials.

High-Strength Steel Frame: Uses Q355B welded H-section steel for columns and beams for strong durability.

Customizable Design: Full customization available for spans, dimensions, and structural requirements.

Fast Installation: Supports easy installation with engineers available to guide the process.

Anti-Corrosion Treatment: Features hot-dip galvanized or painted surfaces for excellent corrosion resistance.

Earthquake Resistance: Strong seismic performance ensuring safety in earthquake-prone areas.

Large Span Capability: Offers spans from 10 to 120m for flexible, column-free interior spaces.

Certified Quality: CE, SGS, and ISO9001:2008 certified for reliable manufacturing standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFlexible CustomizationQuality Assurance

shandong qihua fire engineering co.,ltd.

Shandong, 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: 8 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.16h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells insulation, soundproofing, coating, building, plastic, and related non-metallic mineral products. It reports documented procedures and records for corrective actions and customer complaints, as well as quality assurance in quality control. Production indicators include eight production lines, stated steel-structure and fireproof-coating output, in-stock capability, and off-peak lead time within 15 workdays. The supplier supports sample, design, full, minor, and flexible customization and provides ODM and OEM services, but reports no new products in the past year and no professional technical R&D, 3D design, or SDK capability. Overseas service infrastructure is limited: no overseas agents, branches, warehouse, or showroom are reported, although it has participated in ESBuild 2025 and exports account for 21%–30% of sales. Financial credibility cannot be positively assessed because the provided records show zero values for the stated financial metrics, while certification...

Supplier typeThe supplier is a manufacturer and seller of insulation and soundproofing materials, coatings excluding hazardous chemicals, building materials, non-metallic mineral products, and plastic products. It also provides ODM and OEM services, while explicitly stating that it is not a professional technical supplier.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and it reports in-stock capability and an off-peak lead time within 15 workdays. However, it has no overseas agents or branches, overseas warehouse, or overseas showroom, limiting the documented overseas service infrastructure.

Financial creditThe provided financial records for 2024 show zero operating revenue, operating cost, gross profit, and operating profit, and the record for the prior two years shows zero operating revenue. These stated values do not provide positive evidence of financial strength.

Production capacityThe supplier operates eight production lines and identifies water-based and thick-film steel-structure fire-retardant coating lines, an oven, and a pH meter. It reports steel-structure output of 50,000 tons and fireproof-coating output of 60,000 tons, in-stock capability, finished-product inspection instructions that are uniformly followed, and an off-peak lead time within 15 workdays.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM and OEM services, supporting a broad stated customization range.