What materials are used for the main frame?

We use high-strength steel such as Q355B (S355JR) or Q235B (S235JR), available in welded or hot-rolled H-beams.

Can I choose the surface treatment?

Yes, you can freely choose between hot-dip galvanizing or anti-rust paint (rich-zinc epoxy paint) for the structure frame.

Bestselling Customization Thickened Profiles Prefabricated Steel Structure Building for Large-Scale Warehouses

Name: Bestselling Customization Thickened Profiles Prefabricated Steel Structure Building for Large-Scale Warehouses
Brand: Qingdao Handy Steel Structure Co., Ltd.
SKU: 2155560112

Shandong, ChinaQingdao Handy Steel Structure Co., Ltd.

US$45.00

500-999 Square Meters

US$30.00

1,000-1,999 Square Meters

US$15.00

2,000+ Square Meters

Product profile

Customization

Available

After-sales Service

Installation Guide, 2D & 3D Drawing, Video

Connection Form

Bolt Connection

Model NO.

HD-Steel Structure

Construction Member

H Column & Rafter, Tie Beam,X Brace, Purlin etc

Grade

Carbon Structural Steel

Molding Method

Hot Rolled & Weld

Residential Wall Structure

Wall Support

Standard

BS, ASTM, DIN, GB, En1090

Steel Type

Quality Carbon Structural Steel

Structure

Steel Structure

Drawing

Free Design Drawing, 2D& 3D Version

Wind,Snow,Earthquake Resistance

80~280km/H, 30~200kg/M2, Grade 9

Frame

Steel Portal Frame Building

Delivery Time

4~6 Weeks

Certificate

ISO, CE, Third Party Inspect

Roof Pitch

10%, 12%, 16%, 25%, 30%etc

Column & Rafter

Hot Rolled H Beam or I Beam

Tie Beam

Round Pipe or Square Tube

Purlin

C Purlin, Z Purlin, Hot Rolled H Beam Purlin

Roof Coverage

Single Corrugated Sheet or Sandwich Panel

Wall Coverage

Single Corrugated Sheet or Sandwich Panel

Window

PVC or Aluminum Alloy Frame Window

Gate

Sliding Industrial Door or Roller Shutter Door

Option

Skylight Belt, Ventilation Fitting, Gutter, Crane

Transport Package

Main Structure Loading in 40FT Ot, Others Loading

Specification

Customized

Trademark

Origin

China

HS Code

7308900000

Production Capacity

10000sqm Per Month

Key features

Free Design Service: Free 2D & 3D architectural drawings and budget plans provided before sale.

Customizable Structure: Fully customizable clear span up to 60m, height, and wind/snow resistance grades.

High-Strength Materials: Uses Q355B/S355JR steel with hot-dip galvanized or painted surface treatments.

Fast Delivery: Standard delivery time is 4 to 6 weeks for prefabricated steel components.

Global Certifications: Certified with CE EN1090 EXC2, ISO9001, SGS, and BV for international standards.

Bolt Assembly: Bolt connection design eliminates on-site welding, ensuring easy and safe installation.

Versatile Cladding: Options include single corrugated sheets, EPS, Rockwool, or PU sandwich panels.

Lifetime Support: Structure design life over 50 years with 24/7 technical support and video guides.

Company profile

Fast DeliveryCustomization from Samples3D Software DesignR&D Capabilities

Qingdao Handy Steel Structure Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyNearest Port: Qingdao PortAverage Response Time: ≤1.34hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF, CFR

AI-Powered supplier vetting

SummaryQingdao Handi Steel Structure Co., Ltd. is a limited company focused on steel structures, steel-structure buildings, and prefabricated buildings. It reports annual productivity of 20,000 tons and offers broad customization and 3D software design services. However, the supplier has only one year of export experience, no overseas agents, branches, warehouse, showroom, or offline trade-show participation, and reports no inventory service capacity. After-sales and quality-control documentation is weak: complaint handling, supplier-service assessment, corrective actions, and quality assurance records are not established or are unknown. Innovation evidence is limited, with no new products reported in the past year, one R&D engineer, no SDK, and no professional-technical-supplier classification, although ODM is available. Financial records are identified for 2023–2025, but no substantive financial results are provided. Certification status and customer cases cannot be confirmed from the supplied information.

Supplier typeThe supplier is identified as Qingdao Handi Steel Structure Co., Ltd., a limited company with no stated affiliation to a larger group. Its primary and offered product category is steel structure, indicating a specialized steel-structure supplier rather than a diversified product company.

After-Sales capabilityThe supplier reports one-month average lead times in both peak and off-season and accepts CIF, FOB, T/T, and LC terms. However, it has no overseas warehouse, showroom, agent, or branch, offers overseas services in zero countries, and has no written complaint-handling procedures or records; service-assessment and corrective-action documentation are also absent.

R&D capabilityThe supplier provides 3D software design and ODM services, but it is not classified as a professional technical supplier, reported no new products during the past year, has no SDK, and has only one R&D engineer. These explicit limitations outweigh the available design-related services for innovation assessment.

Production capacityThe supplier reports annual productivity of 20,000 tons for steel structures, steel-structure buildings, and prefabricated buildings, with one-month average lead times in both seasons. Nevertheless, inventory service capacity is explicitly absent, the manufacturing-capacity contract status is unknown, and the company reports only four employees, so production scale and execution capacity are only partially evidenced.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting broad product-design and customization capability.