What certifications does the product have?

The product holds ISO and CE certifications.

What are the terms of payment?

Terms of payment include LC, T/T, and D/P.

What is the average lead time for production?

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

Economic Large Span Light Steel Structure Building

Name: Economic Large Span Light Steel Structure Building
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 710151265

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30.00-100.00

200 Square Meters

Product profile

Customization

Available

Structure

Steel Structure

Steel Frame

Steel Tube, Galvanized

Model NO.

DG3-061

Bracing

Steel Purlin, Galvanized

Maintenance

Sanwich Panel, EPS, PU, Rock Wool, Glass Wool

Roof

Colorful Steel Sheet, Sandwich Panel

Wall

Colorful Steel Sheet, Sandwich Panel

Material

Steel Structure

Usage

Warehouse, Workshop

Certification

ISO, CE

Customized

Transport Package

Bulk Shipment

Specification

Q235B, Q345B

Trademark

Origin

Qingdao, China

HS Code

7308900000

Production Capacity

20000 Tons Per Year

Key features

Wide Span Capability: Maximum span clearance of 36m without middle columns for flexible layout.

Long Service Life: Durable structure with a service life exceeding 50 years.

Fast Construction: Short construction time with easy installation for warehouses and workshops.

Cost Effective: Low unit price ranging from USD35 to USD70 per square meter FOB.

Customized Design: Flexible layout and customized design based on client requirements.

Earthquake Resistance: Stable structure designed to be earthquake resistant and water proof.

Energy Saving: Environmentally friendly design that is energy saving and stable.

Versatile Materials: Options for EPS, rock wool, PU, or galvanized steel for roof and walls.

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.