What is the estimated delivery time?

Lead time typically ranges from 30 to 45 days after deposit and design approval. The exact timeframe depends on project scale. We provide a detailed production schedule and coordinate closely with logistics for on-time delivery to your nearest seaport.

Do you provide installation support?

Yes. We provide detailed 3D installation drawings and video tutorials for every project. For complex structures, we can dispatch senior technical engineers to your site for on-site guidance to ensure structural integrity and safety.

Custom Prefabricated Portal Steel Structure Workshop Supplier

Name: Custom Prefabricated Portal Steel Structure Workshop Supplier
Brand: Shandong Shijie Heavy Industry Co., Ltd.
SKU: 2114499962

Shandong, ChinaShandong Shijie Heavy Industry Co., Ltd.

US$45.00

100-1,999 Tons

US$20.00

2,000+ Tons

Product profile

Customization

Available

After-sales Service

Online

Connection Form

Bolt Connection

Model NO.

WM 20250904-4

Feature

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

Install

Online Guidance

Steel Grade

Q235B Q355b

Application

Steel Structure Poutry Houses, Workshops, Warehou

Main Components

H-Beam, C-Beam, Sandwich Panels, etc.

Options

Skylights, Ventilation Accessories, Gutters, Crane

Steel Frame

Prefab Building

Service Life

50 Years Under Normal Maintenance

Installation Method

Factory Prefabricated, Bolt Quick Assembly

Sandwich Panel Core

EPS / Rock Wool / PU Thermal Insulation Panel

Construction Cycle

30% to 50% Faster Than Concrete Buildings

Main Frame Type

Prefabricated Portal Steel Frame

Building Extension Mode

Modular Design for Later Horizontal Expansion

Thermal Insulation Thickness

50mm to 150mm Optional Sandwich Panel

Material Properties

Tensile Strength, Low-Temperature Impact Toughness

Connection Type

Welding, High-Strength Bolt Connection, Bolt-Weld

Span Parameter

Single-Span / Multi-Span, Clear Span, Total Width

Transport Package

Standard Seaworthy Packaging

Specification

Shipping on Steel Pallets or Containers

Trademark

shandong shijie

Origin

Shandong, China

HS Code

7308900000

Production Capacity

30000ton Per Year

Key features

Rapid On-site Assembly: Pre-fabricated portal frame components for 30%-50% faster construction compared to traditional concrete buildings.

Fully Customizable: Tailored dimensions, colors, and layouts to meet your specific industrial or commercial storage needs (Free Design Support).

Premium Quality: High-strength Q355B structural steel with advanced anti-corrosion treatment ensuring a 50-year service life.

Maximize Space Utilization: Wide clear-span design without internal columns to accommodate large machinery or high-density storage racks.

Globally Trusted: Manufactured in an ISO 9001 & EN 1090 certified factory, fully compliant with international building safety standards.

Complete Supporting Customization Doors, windows, ventilation skylights, overhead crane beams, thermal insulation wall panels can be configured as required, one-stop matching production demand.

Cut Overall Construction Budget Light self-weight of portal steel frame reduces foundation engineering cost by 20 to 40%, lower logistics and labor expense during installation.

Stable Global Supply Chain Large standardized production workshop, sufficient raw steel stock, stable delivery cycle without construction delay risk.

Standardized Prefabrication Quality Control All frame components processed by CNC automatic production lines, precise size tolerance, guarantee seamless on-site splicing.

Integrated Rigid Frame Stability Integrally welded portal steel frame forms an integral load-bearing system, uniform force bearing, outstanding deformation resistance under heavy load and extreme weat

Company profile

Management CertificationStandardized quality controlHigh Repeat Buyers ChoiceNational Award received

Shandong Shijie Heavy Industry 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: 6 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.26h

About Our Factory & Business Background

AddressInside The 11th Inoustrial Park, Huangtun Subdistrict, High-Tech District, Jining, Shandong, China

Registered Capital120,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity20 tons

Supply Chain Partners8

Our Production Capability & Technical Expertise

Main ProductsSteel Structure Building, Steel Structure Warehouse, Steel Structure Workshop, Space Grid Structure, Vertical Storage Tank, Sf Double Layer Tank, Prefabricated Warehouse, Pressure Vessel, Truss Grid Structure, Mobile Fuel Station

Production Lines3

Production MachinesPipe cutting machine, Space frame welding machine, Plasma cutting machine, Shaping machine, Steel structure welding machine, Shot blasting machine, Painting room, Rolling machine

Inspection Type for Finished Products100% inspection(Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2019-03-22

Main MarketsDomestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001

Cooperated with Fortune 500No

Product Q&A

Q:Who are we?

We are a premier one-stop solution provider in the global steel structure industry. With 75 years of technical heritage, we specialize in the full lifecycle of industrial buildings-from innovative design and precision manufacturing to professional installation. Having completed large-scale projects in 30+ countries, we ensure high-quality execution every time.

Q:Are you a manufacturer or a trading company?

We are a direct manufacturer with a large-scale production facility. This allows us to offer competitive factory-direct pricing while maintaining total control over quality and lead times. Our workshop features automated production lines to ensure efficiency for even the most complex industrial projects.

Q:What quality assurance do you provide?

We implement a rigorous 5-stage QC system: Raw Materials: Sourced from top-tier mills with full traceability. Process: Real-time tracking of welding and fabrication. Testing: NDT (Ultrasonic/X-ray) for critical joints. Pre-assembly: Ensuring 100% structural accuracy before shipping. Standards: Fully compliant with ISO 9001, CE, and AWS.

Q:Do you provide customized design services?

Absolutely. Our engineers use advanced software (Tekla, AutoCAD, PKPM) to provide full-solution drawings. We design based on your specific requirements, including local wind/snow loads and seismic requirements, ensuring your building is both cost-effective and structurally sound.

Q:What are your payment terms?

Our standard terms are T/T 30% deposit to initiate production, with the remaining 70% balance paid before shipment. For large-scale projects or long-term partners, we also accept Irrevocable L/C at sight to ensure mutual security.