What is the lead time for production?

Lead time is 1-3 months during peak season and one month during off-season.

Can the design be customized?

Yes, we offer prefabricated and customized designs based on your drawings and requirements.

What payment terms are accepted?

We accept LC, T/T, and D/P as terms of payment.

Workshop

Name: Metal Material/Steel Structure Warehouse / Workshop
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 709306775

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30.00-100.00

200 Square Meters

Product profile

Customization

Available

Material

Steel Structure

Usage

Warehouse, Workshop

Model NO.

DG2-020

Certification

ISO, CE

Transport Package

40 Ot + 40 Hq

Specification

Q345B & Q235B

Trademark

Origin

Qingdao, China

HS Code

7308900000

Production Capacity

20000ton/Year

Key features

Customizable Design: Prefabricated and customized design based on customer requirements and drawings.

Wide Span Capability: Single or multiple spans with a maximum width of 36m without middle columns.

Long Service Life: Durable structure with a lifespan of over 25 to 50 years.

Fast Construction: Easy installation and fast construction to save time and labor costs.

High Safety Standards: High quake-proof, water proof, and fire proof performance.

Cost Effective: Unit price ranges from USD30/m2 to USD100/m2 according to specific requests.

Eco-Friendly Material: Environmentally friendly construction using steel structure and sandwich panels.

Certified Quality: Products certified with ISO and CE standards for quality assurance.

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 maximum span of the warehouse?

The maximum span is 36 meters without middle columns, available in single or multiple spans.

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.

Q:How long is the lifespan of the steel structure?

The structure has a long using life of up to 50 years.

Q:What is the price range for the warehouse?

The unit price ranges from USD30/m2 to USD100/m2 depending on customer requirements.

Q:What certifications does the product have?

The product is certified with ISO and CE standards.

Send Inquiry

*To:

Qingdao Doublegrand Metal Products Co., Ltd.

*Content:

0/4000

Supplier replies will be sent to your registered email

Metal Material/Steel Structure Warehouse / Workshop