Products
PRODUCTS DETAILS
Home > Products >
Prefabricated Modular Steel Structure Workshop Large Span Portal Frame Design for Industrial Factory Construction

Prefabricated Modular Steel Structure Workshop Large Span Portal Frame Design for Industrial Factory Construction

MOQ: 500 m2
Price: US $ 25-65 / m2
Standard Packaging: Standard export container packaging with numbered components and reinforced frames
Delivery Period: 25-30 days
Payment Method: L/C,T/T
Supply Capacity: 3000 tons per Month
Detail Information
Place of Origin
Qingdao, Shandong, China
Brand Name
zhongbo
Certification
ISO 9001:2015
Model Number
JZ-136
Steel Grade:
Q235B / Q355 / Q355B
Structure Type:
Portal Frame, Light Or Heavy Steel
Door Options:
Sliding Door Or Roll-up Door
Design Software:
AutoCAD, PKPM, Tekla Structures
Life Span:
25-50 Years
Installation:
On-site Guidance Or Turnkey Installation Available
Highlight:

Modular Steel Workshop Prefabricated Design

,

Large Span Portal Frame Structure

,

Bolt Connection Industrial Steel Building

Product Description

Prefabricated Modular Steel Structure Workshop

This large span portal frame steel structure workshop is designed for industrial factory and warehouse construction, featuring a modular bolt connection system that enables rapid assembly and future expansion. Engineered with Q235B/Q355 grade H-section steel, the prefabricated building delivers superior load-bearing performance, seismic resistance up to Grade 8, and a service life exceeding 25 years.

Structural System

ComponentSpecification
Main Steel FrameH Section Steel Q355B, Alkyd Painting Anti-Corrosion
Roof PurlinC or Z Shape Galvanized Steel Q235B
Wall PurlinC or Z Shape Galvanized Steel Q235B
Roof CladdingPPGI Steel Sheet 0.3-0.6mm, or Sandwich Panel (EPS/Fiberglass/Rockwool/PU) 50-150mm
Wall CladdingPPGI Steel Sheet 0.3-0.6mm, or Sandwich Panel (EPS/Fiberglass/Rockwool/PU) 50-150mm
ConnectionHigh-Strength Bolts Assembly, No Welding On-Site
DoorsSliding Door or Electric Roll-Up Door
WindowsPVC or Aluminum Alloy Frame with Tempered Glass
SkylightFRP Transparent Sheet 1.0-2.0mm for Natural Daylight

Key Features

  • Large Span Design — Clear span up to 60 meters without interior columns, maximizing usable floor space for production lines and equipment layout.
  • Modular Bolt Connection — All components are pre-cut and pre-drilled at the factory, assembled on-site with high-strength bolts. No welding required, enabling fast construction and future disassembly or relocation.
  • Customizable Layout — Eave height, span width, bay spacing, and length are fully customizable to match your operational requirements.
  • Heavy Load Capacity — Designed to support overhead crane systems from 5 to 20 tons, suitable for heavy manufacturing and material handling.
  • All-Weather Durability — Wind resistance up to 180 km/h, snow load capacity up to 1.5 kN/m², Grade 8 seismic design, and Class A fire rating with rockwool sandwich panels.
  • 25-50 Year Service Life — Hot dip galvanized finish or alkyd painting system provides long-term corrosion protection in various climate conditions.

Optional Accessories

  • Overhead Crane System (5T, 10T, 16T, 20T)
  • Ventilation System (Turbine Vents, Ridge Vents, Powered Fans)
  • Gutter and Downpipe Drainage System (Galvanized Steel or Stainless Steel)
  • Brick Wall Skirting up to 1.5m Height
  • Mezzanine Floor System
  • Insulation Upgrade: Rockwool, Fiberglass, or PU Sandwich Panels

Applications

Ideal for steel workshop factories, industrial manufacturing plants, warehouse storage facilities, aircraft hangars, agricultural barns, repair and mechanic shops, and large-scale logistics centers.

Our Service

  • Free 3D modeling, architectural design, and detailed construction drawings (AutoCAD, PKPM, Tekla)
  • Complete construction budget quotation within 48 hours
  • Factory pre-fabrication with strict quality control and pre-assembly inspection
  • Standard container packaging with numbered components and loading plan
  • On-site installation guidance by experienced engineers, or complete turnkey installation service
  • Comprehensive after-sales technical support and spare parts supply

About Zhongbo Steel Structure

Qingdao Zhongbo Steel Structure Co., Ltd. is an ISO 9001 certified manufacturer with over 15 years of experience in steel structure design and production. Our 160-mu (106,667 m²) facility houses 6 production bases with 50,000 m² of workshop area and 43 patented technologies. Products are exported to 80+ countries worldwide.

Contact us today for a free custom design and quotation. Provide your project dimensions, location, load requirements, and crane specifications, and our engineering team will deliver a complete proposal within 48 hours.

Ratings & Review

Overall Rating

4.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
0%
4 stars
100%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

B
Bensalah
Algeria Feb 2.2026
All holes are pre-drilled and prepared in the factory, and only on-site bolt assembly is needed. It's really convenient and efficient.
Sitemap |  Privacy Policy | China Good Quality Light Steel Prefab House Supplier. Copyright © 2025-2026 Qingdao Zhongbo Steel Structure Co., Ltd . All Rights Reserved.