How is the product packed and shipped?

Products are packed in shipping containers (20GP, 40HP, 40GP, 40OT) or naked loaded, ensuring stable packaging to prevent damage during transportation.

What payment terms are accepted?

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

Is installation service provided?

Yes, we provide one-stop service including design, manufacture, delivery, and installation to ensure a complete solution for your project.

Prefab Large Span Steel Structure Frame Warehouse (DG1-009)

Name: Prefab Large Span Steel Structure Frame Warehouse (DG1-009)
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 708917025

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30,000.00

1 Set

Product profile

Customization

Available

Type

Light Section Steel

Steel Frame

Galvanized Tube

Model NO.

DG1-009

Bracing

C Purplin, Galvanized

Roof

Colourful Galvanized Steel Sheet

Wall

Colourful Galvanized Steel Sheet

Weld Test

Ultrasonic Testing, X-ray Testing

Standard

Trademark

Quality Carbon Structural Steel and Alloy Structural Steel

Forming

Hot-Rolled Steel

Connection Form

Welded Connection

Member

Steel Beam

Type of Steel For Building Structure

High-Strength Steel

Carbon Structural Steel

Q235

Residential Wall Structure

Bottom Wall Beam

Application

Steel Workshop, Steel Fabricated House, Structural Roofing, Frame Part, Steel Walkway and Floor, Steel Warehouse

Transport Package

Bulk Shipment Packings or as Client's Request

Specification

SGS

Trademark

Origin

Qingdao China

HS Code

73089000

Production Capacity

30000 Sqm/Month

Key features

Customized Design: Prefabricated and customized design based on client drawings and requests.

High Durability: High quake-proof, water proof and fire proof with a lifetime of over 25-50 years.

Fast Construction: Easy to install and maintain, saving time and labor costs compared to local manufacturers.

One-Stop Service: Comprehensive service from design, manufacture, delivery to installation and after-service.

Strict Quality Control: Manufactured strictly according to drawings with ultrasonic and X-ray testing.

High Production Capacity: Monthly capacity of more than 3000 tons with advanced CNC equipment.

Certified Quality: ISO9001:2008 certified with acceptance by Aisa Inspection and SGS.

Eco-Friendly Material: Environment friendly construction using high-strength and carbon structural steel.

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:Can the warehouse design be customized?

Yes, we offer prefabricated and customized designs. We can manufacture strictly according to your drawings or design a suitable proposal based on your dimensions and requests.

Q:What is the expected lifespan of the steel structure?

The steel structure has a lifetime of over 25-50 years, ensuring high durability and long-term use.

Q:What certifications does the product have?

We hold ISO9001:2008 certification, and our products undergo inspection by Aisa Inspection, SGS, and other third-party inspection agencies.

Q:What is the production and delivery lead time?

Lead times vary by season: 1-3 months during peak season and one month during off-season. Our monthly capacity exceeds 3000 tons.

Q:What materials are used for the roof and walls?

Roof and wall options include EPS, fiber glass, rock wool, or PU sandwich panels, along with colorful galvanized steel sheets.