What certifications does the manufacturer hold?

We hold ISO9001:2015, ISO14001:2015, SGS, and BV certifications.

What type of steel is used for the main frame?

The main steel frame is made of Q345B welding H-beam.

Does the company provide after-sales service?

Yes, we provide on-site installation guiding services.

Steel Structure Warehouse with Large Span From Chinese Manufacturer---Wantai

Name: Steel Structure Warehouse with Large Span From Chinese Manufacturer---Wantai
Brand: Gaomi Wantai Steel Structure Engineering Co., Ltd.
SKU: 1988052515

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

US$30.00

500-2,999 Square Meters

US$27.00

3,000+ Square Meters

Product profile

Customization

Available

Type

H-Section Steel

Roof and Wall Panel

Galvanized Steel Sheet or Sandwich Panel

Model NO.

WT-ND-529

Thickness of Sandwich Panel

50mm, 75mm, 100mm, 150mm

Thickness of Steel Sheet

0.4mm, 0.5mm, 0.6mm

Surface Treatment

Shot Blasting, Galvanized or Painted

Windows

Plastic-Steel Window, or Aluminium Window

Door

Sliding Door or Ruller Shutter Door

Delivery Time

45-60 Days

Drawing

Auto CAD, Pkpm, 3D3s

Standard

GB, ASTM

Trademark

Carbon Structural Steel

Forming

Hot-Rolled Steel

Connection Form

Bolt Connection

Member

Steel Beam

Type of Steel For Building Structure

High-Strength Steel

Carbon Structural Steel

Q235

Residential Wall Structure

Wall Support

Application

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

After-sales Service

on Site Installation Guiding

Warranty

2 Years

Transport Package

Container Transport

Specification

L*W*H

Trademark

Origin

China

HS Code

94069000

Production Capacity

30000 Tons/Year

Key features

12 Years Manufacturing Experience: Specialized in steel structure buildings, workshops, and bridges since 2012.

Full Customization Options: Supports full customization, minor customization, and flexible customization from designs.

High-Strength Steel Frame: Main steel frame uses Q345B welding H-beam for superior structural integrity.

Multiple Panel Thickness: Sandwich panel thickness options include 50mm, 75mm, 100mm, and 150mm.

International Certifications: Holds ISO9001:2015, ISO14001:2015, SGS, and BV certifications.

100% Finished Product Inspection: Strict visual inspection process with dedicated QA/QC inspectors.

On-Site Installation Support: Provides on-site installation guiding services for overseas clients.

Large Production Capacity: Factory covers 260,000 sqm and exports 50,000 tons of steel structure annually.

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: ≤4.28h

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.