How is the product packaged for shipping?

The product is packaged as bulk cargo in containers (20 GP, 40 GP, 40 OT) or as per specific requests.

What certifications or standards does the steel structure meet?

The structure meets standards including GB, ASTM, DIN, JIS, AISI, and BS. The steel is classified as Quality Carbon Structural Steel and Alloy Structural Steel.

Prefabricated Light Steel Structure Building for Warehouse/Steel Storage

Name: Prefabricated Light Steel Structure Building for Warehouse/Steel Storage
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 688216302

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30.00-100.00

200 Square Meters

Product profile

Customization

Available

Connection Form

Welded Connection

Steel Frame

Steel Tube, Galvanized

Model NO.

DG-SW22

Bracing

Steel Purlin, Galvanized

Maintenance

Sandwich Panel, EPS, PU, Rock Wool, etc.

Roof

Colorful Steel Sheet, Sandwich Panel

Wall

Colorful Steel Sheet, Sandwich Panel

Type

Light Section Steel

Standard

GB, ASTM, DIN, JIS, AISI, BS

Trademark

Quality Carbon Structural Steel and Alloy Structural Steel

Forming

Hot-Rolled Steel

Member

Steel Beam

Type of Steel For Building Structure

High-Strength Steel

Carbon Structural Steel

Q235

Residential Wall Structure

Connector

Application

Steel Workshop, Steel Structure Platform, Steel Fabricated House, Structural Roofing, Frame Part, Steel Warehouse

Transport Package

Bulk

Specification

Q235, Q345

Trademark

Origin

China

HS Code

7308900000

Production Capacity

20000ton/Year

Key features

Low Total Build Cost: Achieves better margins through low assembly, labor, and transport costs compared to traditional methods.

Fast Installation: Simple, convenient, and fast installation process; convenient to take apart and install.

High Strength & Safety: Windproof and reliable load-bearing steel structures with excellent water resistance and drainage.

Eco-Friendly Material: Highly recyclable, creates minimal raw material waste, and offers excellent anticorrosion and dustproof properties.

Custom Design Service: Complete service from quote to design; we manufacture according to your drawings or design based on your requirements.

Durable Construction: Features hot-rolled steel beams, galvanized purlins, and multi-layer surface treatment for longevity.

Low Maintenance Cost: Designed for low repair and maintenance costs with high-strength and durable materials.

Flexible Insulation Options: Offers various insulation choices including PU, EPS, Rock Wool, and fiberglass wool sandwich panels.

Company profile

Qingdao Doublegrand Metal Products Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2003-07-29Nearest Port: Qingdao PortAverage Response Time: >24hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryQingdao Doublegrand Metal Products Co., Ltd. is identified primarily as a manufacturer/factory of steel structures and related prefabricated building products, although another record describes the company as a trading company. The supplier states that it has exported to more than 30 countries across six continents and began exporting in 2003. Its stated capabilities include design, manufacturing, delivery, installation, and after-sales service, with production equipment, two production lines, ISO 9001 certification, and dedicated quality-control and R&D personnel. It reports substantial annual production capacity and that 90% of sales are exports. The evidence supports strengths in certification, production, customization, export experience, and service scope. Financial credibility cannot be assessed because the available registered-capital information is excluded from consideration and no other financial evidence is provided.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory producing steel structures, warehouses, workshops, prefabricated buildings, and related products. However, a separate company-information record describes its company nature as a trading company, creating a classification inconsistency that prevents an entirely unqualified assessment.

CertificationsThe supplier reports holding ISO 9001 certification and also states that Asia Inspection, SGS inspection, and other third-party inspections are accepted. This is explicit evidence of a formal quality-management certification and willingness to accommodate external inspection.

After-Sales capabilityThe supplier states that it provides one-stop service covering design, manufacture, delivery, installation, and after-sales service, and describes a customer-oriented professional relationship. These statements directly support the existence of an after-sales service offering, although no detailed service standards or response metrics are provided.

R&D capabilityThe supplier reports that it can develop designs independently, provide suitable proposals, and combine sales and engineering personnel to create building models and designs. It also reports 6–10 years of R&D engineer experience and advanced CNC equipment, supporting design and engineering capability, but not necessarily product or process innovation beyond customization.

Production capacityThe supplier reports more than 3,000 tons of monthly capacity, annual capacity of 200,000 tons for steel structures, 200,000 meters of galvanized wall and roof cladding, and 30,000 tons of galvanized C&Z purlines. It also reports two production lines, CNC and machining equipment, inspection at every stage, and pre-assembly before delivery, providing explicit evidence of substantial production capability.

Customization capabilityThe supplier states that it manufactures strictly according to customer drawings and requirements, can design suitable proposals independently, and performs manufacturing and inspection according to drawings. These statements directly demonstrate both drawing-based production and supplier-supported design customization.

Client casesThe supplier states that it has exported to more than 30 countries across six continents, has more than 10 years of experience, and began exporting in 2003. This supports broad international delivery experience, but the slices do not identify specific customers, projects, or independently verifiable case details.

Product Q&A

Q:What information is required to get a quote?

Please provide location, size (length*width*height), wind load, snow load, earthquake grade, brick wall needs, thermal insulation preference, door/window quantities and sizes, and crane requirements.

Q:Can you design the structure based on my requirements?

Yes, we provide complete service including design and quotation according to your requirements or drawings. Our excellent design team will create the steel structure workshop/warehouse for you.

Q:What are the standard materials used for the structure?

We use High-Strength Steel, Q235 Carbon Structural Steel, and Alloy Structural Steel. Components include Hot-Rolled H/I sections, Galvanized Purlins (C/Z-section), and Sandwich Panels for roofs and walls.

Q:What are the lead times for production?

The average lead time is 1-3 months during peak season and one month during the off-season.

Q:What payment terms do you accept?

We accept LC (Letter of Credit), T/T (Telegraphic Transfer), and D/P (Documents against Payment).