Can the building be expanded or moved later?

Yes, the prefab steel buildings are expandable by adding sections and can be disassembled and moved to a new location.

What payment terms are accepted?

Accepted payment terms include LC, T/T, and D/P.

Large Span Metal Frame Prefab Workshop

Name: Large Span Metal Frame Prefab Workshop
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 688186812

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-S016

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

H-Section Steel

Standard

GB, ASTM, DIN, JIS, AISI, BS

Steel Type

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, Frame Part

Transport Package

Bulk

Specification

Q235, Q345

Trademark

Origin

China

HS Code

7308900000

Production Capacity

20000ton/Year

Key features

Cost Effective Construction: Build costs up to 50% less than conventional engineered buildings due to efficient materials and labor savings.

Quick Assembly: Ready-to-assemble sections arrive with all components included, requiring only layout and bolting.

Laser Precision Design: Engineered with computer technology and laser precision to eliminate material waste and extra costs.

High Energy Efficiency: Top-of-the-line insulation and weather-resistant steel design ensure long-term energy savings.

Enhanced Safety & Durability: Withstands severe weather, reduces fire risk, and offers potential insurance discounts of up to 40%.

Customizable Design: Flexible and expandable plans available, allowing for custom layouts and future section additions.

Low Maintenance: Requires significantly less upkeep than traditional structures to maintain appearance and function.

Portable Structure: Can be disassembled and moved to new locations if project requirements change.

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 needed to start the design process?

Please provide dimensions (length, width, height, eave height, roof pitch), door/window details, local climate data (wind speed, snow load), insulation preferences, crane requirements, and any specific restrictions or drawings.

Q:What insulation materials are available for the roof and walls?

Options include EPS, fiber glass, rock wool, or PU sandwich panels, as well as colorful steel sheets.

Q:What are the options for columns and beams?

You can choose between hot-rolled or welded H-sections and I-sections, with painting or galvanizing finishes.

Q:How is the product packaged and shipped?

Items are naked loaded in shipping containers (20 GP, 40 HP, 40 GP, 40 OT) or as per specific client requests.

Q:What are the lead times for production?

Peak season lead time is 1-3 months, while off-season lead time is one month.