What materials are used for the steel structure?

The main frame uses Q345 (S355JR) or Q345 (S235JR) welded H-section steel. Secondary frames use Q235 steel for purlins and braces.

What certifications does the company have?

We are ISO9001:2015 certified and have been in business for over 10 years with a strong quality control system.

How is the steel protected against corrosion?

Steel members undergo sandblasting to international grade 2.5 and are painted within 2 hours. Clients can choose any color and brand of paint.

Free Designed Pre-Made Alkyd Painted Q355 Steel Column and Beam Structural Frame Warehouse

Name: Free Designed Pre-Made Alkyd Painted Q355 Steel Column and Beam Structural Frame Warehouse
Brand: Qingdao Taiwei Steel Structure Co., Ltd.
SKU: 1922499122

Shandong, ChinaQingdao Taiwei Steel Structure Co., Ltd.

US$35.00-65.00

500 Square Meters

Product profile

Customization

Available

After-sales Service

Technical Support

Size

Customized

Model NO.

TW7585

Main Frame

Welded H Steel

Surface Treatment

Painted or Galvanized

Window

Aluminum Alloy Window or Plastic Steel Window

Roof Maintenance

Color Plate

Purlin

C or Z Section Steel

Wall Maintenance

Color Plate

Tie Bar

Round Pipe

Partition

Sandwich Panel

Ventilation

Roof Ventilator

Door

Lifting Door

Frame

Portal Frame

Application

Warehouse, Workshop, Office

Usage

Warehouse, Dormitories, Offices, Workshop

Certification

ISO

Transport Package

Steel Pallet Package

Specification

Q355B, Q235B

Trademark

Origin

Qingdao, China

HS Code

9406900090

Production Capacity

20000 Ton/ Year

Key features

Customized Size and Design: Full customization available for size, main frame, and surface treatment based on client drawings.

High Strength and Durability: Constructed with Q345/Q235 welded H-section steel for high strength, light weight, and seismic reliability.

Professional Engineering Support: Free design services provided by professional engineers to create full solutions for your specific needs.

Strict Quality Control: 100% inspection of finished products with ISO9001:2015 certified management system and 5 QA inspectors.

Fast Installation and Construction: Prefabricated components allow for quick on-site assembly, reducing construction time significantly.

Versatile Application Options: Suitable for warehouses, workshops, offices, and dormitories with customizable roofs, walls, and doors.

Eco-Friendly and Recyclable: Low carbon construction with recyclable materials, generating minimal waste during demolition.

Comprehensive After-Sales Service: Includes technical support, installation supervision by engineers, and lifetime technical assistance.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamSelf-branded

Qingdao Taiwei Steel Structure 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 CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a combined company engaged in metal structures, hardware products, construction fittings, building materials, doors and windows, and related manufacturing and sales. It reports OEM service for well-known brands, ODM capability, 3D design services, full customization, inventory capacity, and exports accounting for 71%–90% of sales. Its production resources include cutting, shot blasting, welding, assembly, straightening, bending, laser cutting, floor bearing plate, and color steel tile equipment. ISO 9001:2015 and SGS certification are stated, but service procedures, corrective actions, and complaint-handling processes lack written records. The supplier has no available SDK, no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, and only partial financial-year information, so financial credibility cannot be fully assessed.

Supplier typeThe supplier is identified as a combined company. Its stated business scope covers manufacturing and sales of metal structures, hardware products, construction fittings, building decoration materials, doors and windows, and building materials.

CertificationsThe company description explicitly states that the supplier passed ISO 9001:2015 quality management system certification and SGS certification. These statements provide direct evidence of certification holding, although the specific SGS certification scope is not provided.

R&D capabilityThe supplier provides 3D software design services, offers ODM, supports customization from designs and full customization, and reports launching new products during the past year. However, it has no available SDK, so innovation-related capability is positive but not comprehensive.

Production capacityThe supplier lists extensive production equipment and reports inventory capacity, export sales of 71%–90%, and average peak- and off-season lead times within 15 working days. However, it has no valid manufacturing-capacity contract with its related subcontractors, which introduces a documented capacity-management limitation.

Customization capabilityThe supplier explicitly provides customization from customer designs and full customization, supported by 3D software design services and ODM capability. This directly demonstrates broad product and design customization capacity.

Client casesThe supplier states that it participated in the design and construction of the Qingdao Olympic Sailing Center, MEGA Mall, and PURE FLOUR MILL, and has exported products to more than 60 countries, including South Africa, Ghana, Argentina, Australia, New Zealand, Canada, Ethiopia, and Uganda. These reported projects and international markets indicate relevant experience, although independent verification is not provided.