What is the warranty period for the product?

We provide a 1-year warranty period for our steel structure products.

What is the minimum order quantity?

The minimum order quantity is 1 ton.

What standards do you follow for design and welding?

We follow European, American, and National Standards for design, and AWS D1.1 / ISO 3834 for welding.

Durable Prefab Portal Frame Steel Structure Building Plans

Name: Durable Prefab Portal Frame Steel Structure Building Plans
Brand: shandong qihua fire engineering co.,ltd.
SKU: 2147217102

Shandong, Chinashandong qihua fire engineering co.,ltd.

US$30.00

1-99 Square Meters

US$25.00

100-999 Square Meters

US$18.00

1,000+ Square Meters

Product profile

Customization

Available

After-sales Service

Engineers Can Be Arranged to Guide The Installatio

Layers

Multi-Layer

Model NO.

H-beam

Usage

Dust-Proof Workshop, Electrostatic Workshop, Food And Chemical Industry, Heavy Industry, High-Voltage Power Plant, Research Facility, Specialized Workshop, Textile And Electronic Processing, Warehouse

Construction Member

Steel Beam

Grade

Carbon Structural Steel

Molding Method

Welding

Residential Wall Structure

Bottom Wall Beam

Standard

Steel Type

H-Section Steel

Structure

Steel Structure

Insulation

Polyurethane, Rockwool, Glasswool, EPS

Carbon Structural Steel

Q235/Q355

Lead Time

30 Days

Accessories

Aluminum Window, Man Door, Rolling Door, Daylight

Transport Package

Bundled by Steel Belt / Pallet

Specification

1000 Kg/Sqm

Trademark

QIHUA

Origin

China

HS Code

9406000090

Production Capacity

50000 Tons Per Year

Key features

Customizable Span Range: Span range is customizable from 10 to 200 meters to fit specific project needs.

Professional Design Service: Full solution drawings provided using AutoCAD, Tekla Structures, and other professional software.

High Production Capacity: Annual output exceeds 30,000 tons with 6 intelligent production lines ensuring quality.

Strict Quality Inspection: 100% inspection of finished products with strict adherence to welding and coating standards.

Comprehensive After-Sales: Engineers available to guide installation, ensuring efficient and correct on-site assembly.

Versatile Application: Suitable for workshops, warehouses, power plants, and specialized industrial facilities.

Competitive Pricing: Best price for same quality and best quality for same price to reduce customer costs.

Flexible Customization: Supports customization from samples, designs, and full customization options.

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: ≤3.83h

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.