What materials are used for the main frame?

The main steel frame uses Q345B welding H-beam and high-strength steel.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) payments.

Is OEM/ODM service available?

Yes, both OEM and ODM services are available for this product.

Steel Structure Building From China with SGS & ISO Approved

Name: Steel Structure Building From China with SGS & ISO Approved
Brand: Gaomi Wantai Steel Structure Engineering Co., Ltd.
SKU: 1988184315

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

US$30.00

500-2,999 Square Meters

US$25.00

3,000+ Square Meters

Product profile

Customization

Available

After-sales Service

on Site Installation Guiding

Manufacturing Method

Machine Welding

Model NO.

WT-ND-583

Material

Carbon Steel

Shape

I Shape

Drawing

Auto CAD, Pkpm, 3D3s

Wind Speed

80km/H, or 120-180km/H

Snow Load

30-50kgs/Sqm

Surface Treatment

Shot Blasting, Galvanized or Painted

Roof & Wall Panel

Corrugated Steel Sheet or Sandwich Panel

Door

Sliding Door or Ruller Shutter Door

Window

PVC/Plastic-Steel Window or Belt Window

Delivery Time

45-60 Days

Main Frame

H Section Steel Column & Beam

Roof Purlin

C & Z Shape Purlin

Type

Light Section Steel

Standard

GB, ASTM

Forming

Hot-Rolled Steel

Connection Form

Bolt Connection

Type of Steel for Building Structure

High-Strength Steel

Transport Package

Container Transport, Steel Pallet

Specification

L*W*H, as per Client's requirements

Trademark

Origin

Qingdao, China

HS Code

94069000

Production Capacity

50000 Tons/Year

Key features

SGS & ISO Certified: ISO9001:2015, ISO14001:2015, SGS and BV certified for quality assurance.

Custom Design Support: Supports Auto CAD, Pkpm, 3D3s drawings and flexible customization options.

High-Strength Materials: Uses Q345B welding H-beam, high-strength steel, and galvanized C-steel purlins.

On-Site Installation: Provides professional on-site installation guiding services for customers.

Robust Wind Resistance: Designed to withstand wind speeds of 80km/H or 120-180km/H.

Factory Direct Supply: Manufacturer with 260,000 sqm area and 50,000 tons annual export capacity.

Complete Component Set: Includes main frame, purlins, panels, doors, windows, and all accessories.

Flexible Payment Terms: Accepts LC and T/T payments with FOB, CIF, CFR, EXW trade terms.

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: ≤4.11h

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.