What is the warranty or after-sales support?

We provide reasonable advice for utilization, maintenance, and technological improvements after the sale.

What materials are used for the main frame?

The main steel frame uses Q235 or Q345B H-shape steel with anti-corrosion painting.

What are the available insulation materials?

Available options include EPS sandwich panels, rock wool, PU, and glass wool.

Big Span Structure Factory Multi-Storey Workshop Prefabricated High Quality Steel Warehouse

Name: Big Span Structure Factory Multi-Storey Workshop Prefabricated High Quality Steel Warehouse
Brand: Gaomi Wantai Steel Structure Engineering Co., Ltd.
SKU: 887050385

Shandong, ChinaGaomi Wantai Steel Structure Engineering Co., Ltd.

US$30.00-50.00

500 Square Meters

Product profile

Customization

Available

Type

Light Section Steel

Material

Q235B or Q345b

Standard

GB, ASTM, DIN, JIS, AISI, BS

Trademark

Carbon Structural Steel

Connection Form

Welded Connection

Member

Steel Beam

Type of Steel For Building Structure

High-Strength Steel

Carbon Structural Steel

Q235

Residential Wall Structure

Top Wall Beam

Application

Steel Workshop, Steel Structure Platform, Steel Fabricated House, Structural Roofing, Frame Part, Steel Walkway and Floor, Steel Structure Bridge

Transport Package

Bulk Packing or as Client's Requirement

Specification

L*W*H

Trademark

Origin

Shandong, China

HS Code

940600

Production Capacity

50000 Square Metre/Year

Key features

High-Strength Steel Structure: Main frame uses Q235/Q345B H-shape steel for superior load bearing and durability.

Comprehensive Protection Coating: Alkyd/epoxy zinc-rich painting and hot dip galvanization prevent corrosion effectively.

Flexible Insulation Options: Roof and wall panels available with EPS, rock wool, PU, or glass wool for heat insulation.

Customizable Design: Full customization available including dimensions, colors, and structural layouts.

Wind and Earthquake Resistance: Designed to withstand wind loads up to 120km/h and 8-grade earthquakes.

Multi-Function Application: Suitable for workshops, warehouses, hangars, stadiums, and prefabricated housing.

OEM and ODM Services: Professional customization from designs with flexible customization options.

Certified Quality Assurance: Holds CE, ISO 9001, ISO 14001, and EN1090 certifications for global compliance.

Company profile

Experienced TeamImporters and Exporters

Gaomi Wantai Steel Structure Engineering Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 6 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.74h

AI-Powered supplier vetting

SummaryWan Tai appears to be a manufacturer and engineering-service supplier focused on steel structures, warehouses, metal processing, building materials, and related equipment. It reports one-stop design, manufacturing, installation, and after-service, with documented corrective-action and complaint-handling procedures. The supplier offers OEM, ODM, and multiple levels of customization, and reports new products within the past year. Production evidence includes steel structure and steel warehouse output of 50,000 tons each, export markets across several regions, and a broad range of metal-processing equipment. However, the provided information does not establish certifications, financial strength, named customer cases, or a complete supplier classification. The stated absence of an SDK is a limitation only for SDK-related innovation requirements.

Supplier typeThe supplier’s stated scope covers metal structure manufacturing and sales, steel rolling, insulation materials, construction-related products, equipment, and engineering management. This supports classification as a manufacturer with construction and engineering-related supply capabilities, although the slices do not provide a formal legal or industry supplier classification.

After-Sales capabilityThe supplier describes a one-stop service covering installation and after-service. It also reports clear procedures and followed records for corrective and preventive actions and customer complaint handling, providing explicit evidence of structured after-sales support.

R&D capabilityThe supplier reports new products within the past year and provides ODM services, indicating product-development activity. However, it explicitly reports no available SDK, so the evidence supports general R&D capability but not SDK-based innovation capability.

Production capacityThe supplier lists extensive production equipment, including laser and flame cutting, shot blasting, drilling, shearing, punching, rotary disc steel cutting, and weld-flaw detection. It reports 50,000 tons of steel-structure output and 50,000 tons of steel-warehouse output, with stated lead times of 2–3 months in both off-peak and peak seasons.

Customization capabilityBoth R&D and design-capability records list customization from designs, minor customization, flexible customization, and full customization. The supplier also reports ODM services, directly supporting broad customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and has exported products to more than 60 countries. These statements indicate market and brand-related experience, but no specific customer names, projects, or verifiable case details are supplied.