What payment terms are accepted?

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

How is the product packaged for shipping?

The product is packed in a standard package and loaded naked into shipping containers such as 20GP, 40GP, 40HC, 40OT, or 45HC.

What is the expected lifespan of the workshop?

The structure is designed for a long life span, which can exceed 50 years with proper maintenance and installation.

Warehouse Shed

Name: Light Steel Structure Workshop/Pre-Fabricated Steel Structure Workshop/Warehouse Shed
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 688434572

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

Galvanized Tube

Model NO.

DG-W09

Roof

Colorful Steel Sheet, Sandwich Panel

Wall

Colorful Steel Sheet, Sandwich Panel

Surface Treatment

Hot DIP Galvanized, Painted

Color

Red, Blue, White, Grey, etc.

Type

H-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

Residential Wall Structure

Connector

Application

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

Carbon Structural Steel

Q345b

Transport Package

Bulk

Specification

Q235, Q345

Trademark

Origin

China

HS Code

7308900000

Production Capacity

20000t/Year

Key features

Long Service Life: Designed for a lifespan exceeding 50 years with strong seismic and wind resistance.

Quick Installation: Easy and fast assembly process, making it more economic friendly and efficient.

Customizable Design: Can be tailored to different purposes, environments, and specific client dimensions.

High-Strength Materials: Main frame uses Q235/Q345 H-section steel with hot-dip galvanized or painted surface.

Versatile Applications: Suitable for workshops, warehouses, offices, supermarkets, logistics, and showrooms.

Flexible Cladding Options: Roof and walls available in color steel sheets, sandwich panels (EPS, PU, rock wool).

Recyclable Structure: The steel structure can be moved and recycled, offering sustainable building solutions.

Standard Compliance: Manufactured in accordance with GB, ASTM, DIN, JIS, AISI, and BS standards.

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 is the lead time for delivery?

The standard lead time is 30-45 days. During peak season, it may take 1-3 months, while off-season delivery is approximately one month.

Q:Can the steel structure be customized?

Yes, the design can be customized according to different purposes, environment conditions, client drawings, or specific dimensions and requests.

Q:What materials are used for the main frame?

The main frame (columns and beams) is made of H-section steel with grades Q235 or Q345, treated with red-oxide primer and grey facing paint or hot-dip galvanization.

Q:What are the options for roof and wall cladding?

Options include corrugated single steel sheets (0.3-0.6mm), sandwich panels insulated with EPS, glass wool, rock wool, or PU (50-150mm), and transparent FRP sheets.

Q:Is the structure resistant to earthquakes and wind?

Yes, the light steel structure features strong seismic and wind resistance, designed to withstand local climate conditions including wind speed, snow load, and earthquake grades.